Publications

Displaying 1 - 100 of 211
  • Aleman, A., Formisano, E., Koppenhagen, H., Hagoort, P., De Haan, E. H. F., & Kahn, R. S. (2005). The functional neuroanatomy of metrical stress evaluation of perceived and imagined spoken words. Cerebral Cortex, 15(2), 221-228. doi:10.1093/cercor/bhh124.

    Abstract

    We hypothesized that areas in the temporal lobe that have been implicated in the phonological processing of spoken words would also be activated during the generation and phonological processing of imagined speech. We tested this hypothesis using functional magnetic resonance imaging during a behaviorally controlled task of metrical stress evaluation. Subjects were presented with bisyllabic words and had to determine the alternation of strong and weak syllables. Thus, they were required to discriminate between weak-initial words and strong-initial words. In one condition, the stimuli were presented auditorily to the subjects (by headphones). In the other condition the stimuli were presented visually on a screen and subjects were asked to imagine hearing the word. Results showed activation of the supplementary motor area, inferior frontal gyrus (Broca's area) and insula in both conditions. In the superior temporal gyrus (STG) and in the superior temporal sulcus (STS) strong activation was observed during the auditory (perceptual) condition. However, a region located in the posterior part of the STS/STG also responded during the imagery condition. No activation of this same region of the STS was observed during a control condition which also involved processing of visually presented words, but which required a semantic decision from the subject. We suggest that processing of metrical stress, with or without auditory input, relies in part on cortical interface systems located in the posterior part of STS/STG. These results corroborate behavioral evidence regarding phonological loop involvement in auditory–verbal imagery.
  • Ameka, F. K. (2005). "The woman is seeable" and "The woman perceives seeing": Undergoer voice constructions in Ewe and Likpe. In M. Dakubu, & E. Osam (Eds.), Studies in languages of the Volta Basin (pp. 43-62). Legon: University of Ghana. Department of Linguistics.
  • Ameka, F. K. (2005). Forms of secondary predication in serializing languages: On depictives in Ewe. In N. P. Himmelmann, & E. Schultze-Berndt (Eds.), Secondary predication and adverbial modification: The typology of depictives (pp. 335-378). Oxford: Oxford University Press.
  • Ameka, F. K. (2005). Multiverb constructions on the West African littoral: Microvariation and areal typology. In M. Vulchanova, & T. A. Afarli (Eds.), Grammar and beyond: Essays in honour of Lars Hellan (pp. 15-42). Oslo: Novus.
  • Andrieu, C., Figuerola, H., Jacquemot, E., Le Guen, O., Roullet, J., & Salès, C. (2005). Parfum de rose, odeur de sainteté: Un sermon Tzeltal sur la première sainte des Amériques. Ateliers du LESC, 29, 11-67. Retrieved from http://ateliers.revues.org/document174.html.
  • Baayen, R. H., & Moscoso del Prado Martín, F. (2005). Semantic density and past-tense formation in three Germanic languages. Language, 81(3), 666-698. doi:10.1353/lan.2005.0112.

    Abstract

    it is widely believed that the difference between regular and irregular verbs is restricted to form. This study questions that belief. We report a series of lexical statistics showing that irregular verbs cluster in denser regions in semantic space. Compared to regular verbs, irregular verbs tend to have more semantic neighbors that in turn have relatively many other semantic neighbors that are morphologically irregular. We show that this greater semantic density for irregulars is reflected in association norms, familiarity ratings, visual lexical-decision latencies, and word-naming latencies. Meta-analyses of the materials of two neuroimaging studies show that in these studies, regularity is confounded with differences in semantic density. Our results challenge the hypothesis of the supposed formal encapsulation of rules of inflection and support lines of research in which sensitivity to probability is recognized as intrinsic to human language.
  • Baayen, R. H. (2005). Data mining at the intersection of psychology and linguistics. In A. Cutler (Ed.), Twenty-first century psycholinguistics: Four cornerstones (pp. 69-83). Mahwah: Erlbaum.
  • Bastiaansen, M. C. M., Van der Linden, M., Ter Keurs, M., Dijkstra, T., & Hagoort, P. (2005). Theta responses are involved in lexico-semantic retrieval during language processing. Journal of Cognitive Neuroscience, 17, 530-541. doi:10.1162/0898929053279469.

    Abstract

    Oscillatory neuronal dynamics, observed in the human electroencephalogram (EEG) during language processing, have been related to the dynamic formation of functionally coherent networks that serve the role of integrating the different sources of information needed for understanding the linguistic input. To further explore the functional role of oscillatory synchrony during language processing, we quantified event-related EEG power changes induced by the presentation of open-class (OC) words and closed-class (CC) words in a wide range of frequencies (from 1 to 30 Hz), while subjects read a short story. Word presentation induced three oscillatory components: a theta power increase (4–7 Hz), an alpha power decrease (10–12 Hz), and a beta power decrease (16–21 Hz). Whereas the alpha and beta responses showed mainly quantitative differences between the two word classes, the theta responses showed qualitative differences between OC words and CC words: A theta power increase was found over left temporal areas for OC words, but not for CC words. The left temporal theta increase may index the activation of a network involved in retrieving the lexical–semantic properties of the OC items.
  • Bauer, B. L. M. (2005). Innovation in Old French syntax and its Latin origins. In S. Kiss, L. Mondin, & G. Salvi (Eds.), Latin et langues romanes: Etudes de linguistique offertes à Jozsef Herman à l’occasion de son 80ème anniversaire (pp. 507-521). Tübingen: Niemeyer.
  • Bauer, B. L. M. (2005). Living in two worlds. In W. R. Louis (Ed.), Burnt orange Britannia (pp. 732-744). Austin: Harry Ransom Humanities Research Center.
  • Belke, E., Brysbaert, M., Meyer, A. S., & Ghyselinck, M. (2005). Age of acquisition effects in picture naming: Evidence for a lexical-semantic competition hypothesis. Cognition, 96, B45-B54. doi:10.1016/j.cognition.2004.11.006.

    Abstract

    In many tasks the effects of frequency and age of acquisition (AoA) on reaction latencies are similar in size. However, in picture naming the AoA-effect is often significantly larger than expected on the basis of the frequency-effect. Previous explanations of this frequency-independent AoA-effect have attributed it to the organisation of the semantic system or to the way phonological word forms are stored in the mental lexicon. Using a semantic blocking paradigm, we show that semantic context effects on naming latencies are more pronounced for late-acquired than for early-acquired words. This interaction between AoA and naming context is likely to arise during lexical-semantic encoding, which we put forward as the locus for the frequency-independent AoA-effect.
  • Belke, E., Meyer, A. S., & Damian, M. F. (2005). Refractory effects in picture naming as assessed in a semantic blocking paradigm. The Quarterly Journal of Experimental Psychology Section A, 58, 667-692. doi:10.1080/02724980443000142.

    Abstract

    In the cyclic semantic blocking paradigm participants repeatedly name sets of objects with semantically related names (homogeneous sets) or unrelated names (heterogeneous sets). The naming latencies are typically longer in related than in unrelated sets. In we replicated this semantic blocking effect and demonstrated that the effect only arose after all objects of a set had been shown and named once. In , the objects of a set were presented simultaneously (instead of on successive trials). Evidence for semantic blocking was found in the naming latencies and in the gaze durations for the objects, which were longer in homogeneous than in heterogeneous sets. For the gaze-to-speech lag between the offset of gaze on an object and the onset of the articulation of its name, a repetition priming effect was obtained but no blocking effect. showed that the blocking effect for speech onset latencies generalized to new, previously unnamed lexical items. We propose that the blocking effect is due to refractory behaviour in the semantic system.
  • Bien, H., Levelt, W. J. M., & Baayen, R. H. (2005). Frequency effects in compound production. Proceedings of the National Academy of Sciences of the United States of America, 102(49), 17876-17881.

    Abstract

    Four experiments investigated the role of frequency information in compound production by independently varying the frequencies of the first and second constituent as well as the frequency of the compound itself. Pairs of Dutch noun-noun compounds were selected such that there was a maximal contrast for one frequency while matching the other two frequencies. In a position-response association task, participants first learned to associate a compound with a visually marked position on a computer screen. In the test phase, participants had to produce the associated compound in response to the appearance of the position mark, and we measured speech onset latencies. The compound production latencies varied significantly according to factorial contrasts in the frequencies of both constituting morphemes but not according to a factorial contrast in compound frequency, providing further evidence for decompositional models of speech production. In a stepwise regression analysis of the joint data of Experiments 1-4, however, compound frequency was a significant nonlinear predictor, with facilitation in the low-frequency range and a trend toward inhibition in the high-frequency range. Furthermore, a combination of structural measures of constituent frequencies and entropies explained significantly more variance than a strict decompositional model, including cumulative root frequency as the only measure of constituent frequency, suggesting a role for paradigmatic relations in the mental lexicon.
  • Bonte, M. L., Mitterer, H., Zellagui, N., Poelmans, H., & Blomert, L. (2005). Auditory cortical tuning to statistical regularities in phonology. Clinical Neurophysiology, 16(12), 2765-2774. doi:10.1016/j.clinph.2005.08.012.

    Abstract

    Objective: Ample behavioral evidence suggests that distributional properties of the language environment influence the processing of speech. Yet, how these characteristics are reflected in neural processes remains largely unknown. The present ERP study investigates neurophysiological correlates of phonotactic probability: the distributional frequency of phoneme combinations. Methods: We employed an ERP measure indicative of experience-dependent auditory memory traces, the mismatch negativity (MMN). We presented pairs of non-words that differed by the degree of phonotactic probability in a codified passive oddball design that minimizes the contribution of acoustic processes. Results: In Experiment 1 the non-word with high phonotactic probability (notsel) elicited a significantly enhanced MMN as compared to the non-word with low phonotactic probability (notkel). In Experiment 2 this finding was replicated with a non-word pair with a smaller acoustic difference (notsel–notfel). An MMN enhancement was not observed in a third acoustic control experiment with stimuli having comparable phonotactic probability (so–fo). Conclusions: Our data suggest that auditory cortical responses to phoneme clusters are modulated by statistical regularities of phoneme combinations. Significance: This study indicates that the language environment is relevant in shaping the neural processing of speech. Furthermore, it provides a potentially useful design for investigating implicit phonological processing in children with anomalous language functions like dyslexia.
  • Borgwaldt, S. R., Hellwig, F. M., & De Groot, A. M. B. (2005). Onset entropy matters: Letter-to-phoneme mappings in seven languages. Reading and Writing, 18, 211-229. doi:10.1007/s11145-005-3001-9.
  • Bowerman, M. (2005). Why can't you "open" a nut or "break" a cooked noodle? Learning covert object categories in action word meanings. In L. Gershkoff-Stowe, & D. H. Rakison (Eds.), Building object categories in developmental time (pp. 209-243). Mahwah, NJ: Erlbaum.
  • Bowerman, M. (2005). Linguistics. In B. Hopkins (Ed.), The Cambridge encyclopedia of child development (pp. 497-501). Cambridge: Cambridge University Press.
  • Braun, B. (2005). Production and perception of thematic contrast in German. Oxford: Lang.
  • Braun, B., Weber, A., & Crocker, M. (2005). Does narrow focus activate alternative referents? In Proceedings of the 9th European Conference on Speech Communication and Technology (pp. 1709-1712).

    Abstract

    Narrow focus refers to accent placement that forces one interpretation of a sentence, which is then often perceived contrastively. Narrow focus is formalised in terms of alternative sets, i.e. contextually or situationally salient alternatives. In this paper, we investigate whether this model is valid also in human utterance processing. We present an eye-tracking experiment to study listeners’ expectations (i.e. eye-movements) with respect to upcoming referents. Some of the objects contrast in colour with objects that were previously referred to, others do not; the objects are referred to with either a narrow focus on the colour adjective or with broad focus on the noun. Results show that narrow focus on the adjective increases early fixations to contrastive referents. Narrow focus hence activates alternative referents in human utterance processing
  • Broeder, D., Brugman, H., & Senft, G. (2005). Documentation of languages and archiving of language data at the Max Planck Institute for Psycholinguistics in Nijmegen. Linguistische Berichte, no. 201, 89-103.
  • Broersma, M. (2005). Phonetic and lexical processing in a second language. PhD Thesis, Radboud University Nijmegen, Nijmegen. doi:10.17617/2.58294.
  • Broersma, M. (2005). Perception of familiar contrasts in unfamiliar positions. Journal of the Acoustical Society of America, 117(6), 3890-3901. doi:10.1121/1.1906060.
  • Brown, P. (2005). What does it mean to learn the meaning of words? [Review of the book How children learn the meanings of words by Paul Bloom]. Journal of the Learning Sciences, 14(2), 293-300. doi:10.1207/s15327809jls1402_6.
  • Brown, A., & Gullberg, M. (2005). Convergence in emerging and established language system: Evidence from speech and gesture in L1 Japanese. In Y. Terao, & k. Sawasaki (Eds.), Handbook of the 7th International Conference of the Japanese Society for Language Sciences (pp. 172-173). Tokyo: JSLS.
  • Brown, A. (2005). [Review of the book The resilience of language: What gesture creation in deaf children can tell us about how all children learn language by Susan Goldin-Meadow]. Linguistics, 43(3), 662-666.
  • Brown, P. (2005). Linguistic politeness. In U. Ammon, N. Dittmar, K. J. Mattheier, & P. Trudgill (Eds.), Sociolinguistics: An international handbook of the science of language and society (pp. 1410-1416). Berlin: Mouton de Gruyter.

    Abstract

    This is an encyclopedia entry surveying research and theoretical approaches to politeness phenomena in language usage.
  • Burenhult, N. (2005). A grammar of Jahai. Canberra: Pacific Linguistics.
  • Chen, A., & De Ruiter, J. P. (2005). The role of pitch accent type in interpreting information status. Proceedings from the Annual Meeting of the Chicago Linguistic Society, 41(1), 33-48.

    Abstract

    The present study set out to pin down the role of four pitch accents, fall (H*L), rise-fall (L*HL), rise (L*H), fall-rise (H*LH), as well as deaccentuation, in interpreting new vs. given information in British English by the eyetracking paradigm. The pitch accents in question were claimed to convey information status in theories of English intonational meaning. There is, however, no consensus on the postulated roles of these pitch accents. Results clearly show that pitch accent type can and does matter when interpreting information status. The effects can be reflected in the mean proportions of fixations to the competitor in a selected time window. These patterns are also present in proportions of fixations to the target but to a lesser extent. Interestingly, the effects of pitch accent types are also reflected in how fast the participants could adjust their decision as to which picture to move before the name of the picture was fully revealed. For example, when the competitor was a given entity, the proportion of fixations to the competitor increased initially in most accent conditions in the first as a result of subjects' bias towards a given entity, but started to decrease substantially earlier in the H*L condition than in the L*H and deaccentuation conditions.
  • Chen, A. (2005). Universal and language-specific perception of paralinguistic intonational meaning. Utrecht: LOT.
  • Chen, A., & Den Os, E. (2005). Effects of pitch accent type on interpreting information status in synthetic speech. In Proceedings of the 9th European Conference on Speech Communication and Technology (pp. 1913-1916).
  • Chen, J. (2005). Interpreting state-change: Learning the meaning of verbs and verb compounds in Mandarin. In Proceedings of the 29th Annual Boston University Conference on Language Development.

    Abstract

    This study investigates how Mandarin-speaking children interpret state-change verbs. In Mandarin, state-change is typically encoded with resultative verb compounds (RVCs), in which the first verb (V1) specifies an action and the second (V2) a result, for example, zhai-xia 'pick-descend' (= pick, pick off/down). Unlike English state-change verb such as pick, smash, mix and fill, the action verb (V1) may imply a state-change but it does not entail it; the state-change is specified by the additional result verb (V2). Previous studies have shown that children learning English and German tend to neglect the state-change meaning in monomorphemic state-change verbs like mix and fill (Gentner, 1978; Gropen et al, 1991) and verb-particle constructions like abplücken 'pick off' (Wittek, 1999, 2000) - they do not realize that this meaning is entailed. This study examines how Mandarin-speaking children interpret resultative verb compounds and the first verb of an RVC. Four groups of Mandarin-speaking children (mean ages 2;6, 3;6, 4;6, 6;1) and an adult group participated in a judgment task. The results show that Mandarin-speaking children know from a very young age that RVCs entail a state-change; ironically, however, they make a mistake that is just the opposite to that made by the learners of English and German: they often incorrectly interpret the action verb (V1) of an RVC as if it, in itself, also entails a state-change, even though it does not. This result suggests that children do not have a uniform strategy for interpreting verb meaning, but are influenced by the language-specific lexicalization patterns they encounter in their language.
  • Cho, T., & McQueen, J. M. (2005). Prosodic influences on consonant production in Dutch: Effects of prosodic boundaries, phrasal accent and lexical stress. Journal of Phonetics, 33(2), 121-157. doi:10.1016/j.wocn.2005.01.001.

    Abstract

    Prosodic influences on phonetic realizations of four Dutch consonants (/t d s z/) were examined. Sentences were constructed containing these consonants in word-initial position; the factors lexical stress, phrasal accent and prosodic boundary were manipulated between sentences. Eleven Dutch speakers read these sentences aloud. The patterns found in acoustic measurements of these utterances (e.g., voice onset time (VOT), consonant duration, voicing during closure, spectral center of gravity, burst energy) indicate that the low-level phonetic implementation of all four consonants is modulated by prosodic structure. Boundary effects on domain-initial segments were observed in stressed and unstressed syllables, extending previous findings which have been on stressed syllables alone. Three aspects of the data are highlighted. First, shorter VOTs were found for /t/ in prosodically stronger locations (stressed, accented and domain-initial), as opposed to longer VOTs in these positions in English. This suggests that prosodically driven phonetic realization is bounded by language-specific constraints on how phonetic features are specified with phonetic content: Shortened VOT in Dutch reflects enhancement of the phonetic feature {−spread glottis}, while lengthened VOT in English reflects enhancement of {+spread glottis}. Prosodic strengthening therefore appears to operate primarily at the phonetic level, such that prosodically driven enhancement of phonological contrast is determined by phonetic implementation of these (language-specific) phonetic features. Second, an accent effect was observed in stressed and unstressed syllables, and was independent of prosodic boundary size. The domain of accentuation in Dutch is thus larger than the foot. Third, within a prosodic category consisting of those utterances with a boundary tone but no pause, tokens with syntactically defined Phonological Phrase boundaries could be differentiated from the other tokens. This syntactic influence on prosodic phrasing implies the existence of an intermediate-level phrase in the prosodic hierarchy of Dutch.
  • Cho, T. (2005). Prosodic strengthening and featural enhancement: Evidence from acoustic and articulatory realizations of /a,i/ in English. Journal of the Acoustical Society of America, 117(6), 3867-3878. doi:10.1121/1.1861893.
  • Coombs, P. J., Graham, S. A., Drickamer, K., & Taylor, M. E. (2005). Selective binding of the scavenger receptor C-type lectin to Lewisx trisaccharide and related glycan ligands. The Journal of Biological Chemistry, 280, 22993-22999. doi:10.1074/jbc.M504197200.

    Abstract

    The scavenger receptor C-type lectin (SRCL) is an endothelial receptor that is similar in organization to type A scavenger receptors for modified low density lipoproteins but contains a C-type carbohydrate-recognition domain (CRD). Fragments of the receptor consisting of the entire extracellular domain and the CRD have been expressed and characterized. The extracellular domain is a trimer held together by collagen-like and coiled-coil domains adjacent to the CRD. The amino acid sequence of the CRD is very similar to the CRD of the asialoglycoprotein receptor and other galactose-specific receptors, but SRCL binds selectively to asialo-orosomucoid rather than generally to asialoglycoproteins. Screening of a glycan array and further quantitative binding studies indicate that this selectivity results from high affinity binding to glycans bearing the Lewis(x) trisaccharide. Thus, SRCL shares with the dendritic cell receptor DC-SIGN the ability to bind the Lewis(x) epitope. However, it does so in a fundamentally different way, making a primary binding interaction with the galactose moiety of the glycan rather than the fucose residue. SRCL shares with the asialoglycoprotein receptor the ability to mediate endocytosis and degradation of glycoprotein ligands. These studies suggest that SRCL might be involved in selective clearance of specific desialylated glycoproteins from circulation and/or interaction of cells bearing Lewis(x)-type structures with the vascular endothelium.
  • Cronin, K. A., Kurian, A. V., & Snowdon, C. T. (2005). Cooperative problem solving in a cooperatively breeding primate. Animal Behaviour, 69, 133-142. doi:10.1016/j.anbehav.2004.02.024.

    Abstract

    We investigated cooperative problem solving in unrelated pairs of the cooperatively breeding cottontop tamarin, Saguinus oedipus, to assess the cognitive basis of cooperative behaviour in this species and to compare abilities with other apes and monkeys. A transparent apparatus was used that required extension of two handles at opposite ends of the apparatus for access to rewards. Resistance was applied to both handles so that two tamarins had to act simultaneously in order to receive rewards. In contrast to several previous studies of cooperation, both tamarins received rewards as a result of simultaneous pulling. The results from two experiments indicated that the cottontop tamarins (1) had a much higher success rate and efficiency of pulling than many of the other species previously studied, (2) adjusted pulling behaviour to the presence or absence of a partner, and (3) spontaneously developed sustained pulling techniques to solve the task. These findings suggest that cottontop tamarins understand the role of the partner in this cooperative task, a cognitive ability widely ascribed only to great apes. The cooperative social system of tamarins, the intuitive design of the apparatus, and the provision of rewards to both participants may explain the performance of the tamarins.
  • Cutler, A., & Broersma, M. (2005). Phonetic precision in listening. In W. J. Hardcastle, & J. M. Beck (Eds.), A figure of speech: A Festschrift for John Laver (pp. 63-91). Mahwah, NJ: Erlbaum.
  • Cutler, A., Klein, W., & Levinson, S. C. (2005). The cornerstones of twenty-first century psycholinguistics. In A. Cutler (Ed.), Twenty-first century psycholinguistics: Four cornerstones (pp. 1-20). Mahwah, NJ: Erlbaum.
  • Cutler, A. (2005). The lexical statistics of word recognition problems caused by L2 phonetic confusion. In Proceedings of the 9th European Conference on Speech Communication and Technology (pp. 413-416).
  • Cutler, A., McQueen, J. M., & Norris, D. (2005). The lexical utility of phoneme-category plasticity. In Proceedings of the ISCA Workshop on Plasticity in Speech Perception (PSP2005) (pp. 103-107).
  • Cutler, A. (Ed.). (2005). Twenty-first century psycholinguistics: Four cornerstones. Mahwah, NJ: Erlbaum.
  • Cutler, A., Smits, R., & Cooper, N. (2005). Vowel perception: Effects of non-native language vs. non-native dialect. Speech Communication, 47(1-2), 32-42. doi:10.1016/j.specom.2005.02.001.

    Abstract

    Three groups of listeners identified the vowel in CV and VC syllables produced by an American English talker. The listeners were (a) native speakers of American English, (b) native speakers of Australian English (different dialect), and (c) native speakers of Dutch (different language). The syllables were embedded in multispeaker babble at three signal-to-noise ratios (0 dB, 8 dB, and 16 dB). The identification performance of native listeners was significantly better than that of listeners with another language but did not significantly differ from the performance of listeners with another dialect. Dialect differences did however affect the type of perceptual confusions which listeners made; in particular, the Australian listeners’ judgements of vowel tenseness were more variable than the American listeners’ judgements, which may be ascribed to cross-dialectal differences in this vocalic feature. Although listening difficulty can result when speech input mismatches the native dialect in terms of the precise cues for and boundaries of phonetic categories, the difficulty is very much less than that which arises when speech input mismatches the native language in terms of the repertoire of phonemic categories available.
  • Cutler, A. (2005). Why is it so hard to understand a second language in noise? Newsletter, American Association of Teachers of Slavic and East European Languages, 48, 16-16.
  • Cutler, A. (2005). Lexical stress. In D. B. Pisoni, & R. E. Remez (Eds.), The handbook of speech perception (pp. 264-289). Oxford: Blackwell.
  • Cutler, A. (Ed.). (2005). Twenty-first century psycholinguistics: Four cornerstones. Hillsdale, NJ: Erlbaum.
  • Dahan, D., & Tanenhaus, M. K. (2005). Looking at the rope when looking for the snake: Conceptually mediated eye movements during spoken-word recognition. Psychonomic Bulletin & Review, 12(3), 453-459.

    Abstract

    Participants' eye movements to four objects displayed on a computer screen were monitored as the participants clicked on the object named in a spoken instruction. The display contained pictures of the referent (e.g., a snake), a competitor that shared features with the visual representation associated with the referent's concept (e.g., a rope), and two distractor objects (e.g., a couch and an umbrella). As the first sounds of the referent's name were heard, the participants were more likely to fixate the visual competitor than to fixate either of the distractor objects. Moreover, this effect was not modulated by the visual similarity between the referent and competitor pictures, independently estimated in a visual similarity rating task. Because the name of the visual competitor did not overlap with the phonetic input, eye movements reflected word-object matching at the level of lexically activated perceptual features and not merely at the level of preactivated sound forms.
  • Davis, M. H., Johnsrude, I. S., Hervais-Adelman, A., Taylor, K., & McGettigan, C. (2005). Lexical information drives perceptual learning of distorted speech: Evidence from the comprehension of noise-vocoded sentences. Journal of Experimental Psychology-General, 134(2), 222-241. doi:10.1037/0096-3445.134.2.222.

    Abstract

    Speech comprehension is resistant to acoustic distortion in the input, reflecting listeners' ability to adjust perceptual processes to match the speech input. For noise-vocoded sentences, a manipulation that removes spectral detail from speech, listeners' reporting improved from near 0% to 70% correct over 30 sentences (Experiment 1). Learning was enhanced if listeners heard distorted sentences while they knew the identity of the undistorted target (Experiments 2 and 3). Learning was absent when listeners were trained with nonword sentences (Experiments 4 and 5), although the meaning of the training sentences did not affect learning (Experiment 5). Perceptual learning of noise-vocoded speech depends on higher level information, consistent with top-down, lexically driven learning. Similar processes may facilitate comprehension of speech in an unfamiliar accent or following cochlear implantation.
  • Dijkstra, T., Moscoso del Prado Martín, F., Schulpen, B., Schreuder, R., & Baayen, R. H. (2005). A roommate in cream: Morphological family size effects on interlingual homograph recognition. Language and Cognitive Processes, 20, 7-41. doi:10.1080/01690960444000124.
  • Dimroth, C., & Lindner, K. (2005). Was langsame Lerner uns zeigen können: der Erwerb der Finitheit im Deutschen durch einsprachige Kinder mit spezifischen Sprachentwicklungsstörung und durch Zweit-sprach-lerner. Zeitschrift für Literaturwissenschaft und Linguistik, 140, 40-61.
  • Dimroth, C., & Watorek, M. (2005). Additive scope particles in advanced learner and native speaker discourse. In Hendriks, & Henriëtte (Eds.), The structure of learner varieties (pp. 461-488). Berlin: Mouton de Gruyter.
  • Dirksmeyer, T. (2005). Why do languages die? Approaching taxonomies, (re-)ordering causes. In J. Wohlgemuth, & T. Dirksmeyer (Eds.), Bedrohte Vielfalt. Aspekte des Sprach(en)tods – Aspects of language death (pp. 53-68). Berlin: Weißensee.

    Abstract

    Under what circumstances do languages die? Why has their “mortality rate” increased dramatically in the recent past? What “causes of death” can be identified for historical cases, to what extent are these generalizable, and how can they be captured in an explanatory theory? In pursuing these questions, it becomes apparent that in typical cases of language death various causes tend to interact in multiple ways. Speakers’ attitudes towards their language play a critical role in all of this. Existing categorial taxonomies do not succeed in modeling the complex relationships between these factors. Therefore, an alternative, dimensional approach is called for to more adequately address (and counter) the causes of language death in a given scenario.
  • Drude, S. (2005). A contribuição alemã à Lingüística e Antropologia dos índios do Brasil, especialmente da Amazônia. In J. J. A. Alves (Ed.), Múltiplas Faces da Históriadas Ciência na Amazônia (pp. 175-196). Belém: EDUFPA.
  • Dunn, M., Terrill, A., Reesink, G., Foley, R. A., & Levinson, S. C. (2005). Structural phylogenetics and the reconstruction of ancient language history. Science, 309(5743), 2072-2075. doi:10.1126/science.1114615.
  • Eisner, F., & McQueen, J. M. (2005). The specificity of perceptual learning in speech processing. Perception & Psychophysics, 67(2), 224-238.

    Abstract

    We conducted four experiments to investigate the specificity of perceptual adjustments made to unusual speech sounds. Dutch listeners heard a female talker produce an ambiguous fricative [?] (between [f] and [s]) in [f]- or [s]-biased lexical contexts. Listeners with [f]-biased exposure (e.g., [witlo?]; from witlof, “chicory”; witlos is meaningless) subsequently categorized more sounds on an [εf]–[εs] continuum as [f] than did listeners with [s]-biased exposure. This occurred when the continuum was based on the exposure talker's speech (Experiment 1), and when the same test fricatives appeared after vowels spoken by novel female and male talkers (Experiments 1 and 2). When the continuum was made entirely from a novel talker's speech, there was no exposure effect (Experiment 3) unless fricatives from that talker had been spliced into the exposure talker's speech during exposure (Experiment 4). We conclude that perceptual learning about idiosyncratic speech is applied at a segmental level and is, under these exposure conditions, talker specific.
  • Enfield, N. J. (2005). The body as a cognitive artifact in kinship representations: Hand gesture diagrams by speakers of Lao. Current Anthropology, 46(1), 51-81.

    Abstract

    Central to cultural, social, and conceptual life are cognitive arti-facts, the perceptible structures which populate our world and mediate our navigation of it, complementing, enhancing, and altering available affordances for the problem-solving challenges of everyday life. Much work in this domain has concentrated on technological artifacts, especially manual tools and devices and the conceptual and communicative tools of literacy and diagrams. Recent research on hand gestures and other bodily movements which occur during speech shows that the human body serves a number of the functions of "cognitive technologies," affording the special cognitive advantages claimed to be associated exclusively with enduring (e.g., printed or drawn) diagrammatic representations. The issue is explored with reference to extensive data from video-recorded interviews with speakers of Lao in Vientiane, Laos, which show integration of verbal descriptions with complex spatial representations akin to diagrams. The study has implications both for research on cognitive artifacts (namely, that the body is a visuospatial representational resource not to be overlooked) and for research on ethnogenealogical knowledge (namely, that hand gestures reveal speakers' conceptualizations of kinship structure which are of a different nature to and not necessarily retrievable from the accompanying linguistic code).
  • Enfield, N. J. (2005). Depictive and other secondary predication in Lao. In N. P. Himmelmann, & E. Schultze-Berndt (Eds.), Secondary predication and adverbial modification (pp. 379-392). Oxford: Oxford University Press.
  • Enfield, N. J. (2005). Areal linguistics and mainland Southeast Asia. Annual Review of Anthropology, 34, 181-206. doi:10.1146/annurev.anthro.34.081804.120406.
  • Enfield, N. J. (2005). [Comment on the book Explorations in the deictic field]. Current Anthropology, 46(2), 212-212.
  • Enfield, N. J. (2005). [Review of the book Laughter in interaction by Philip Glenn]. Linguistics, 43(6), 1195-1197. doi:10.1515/ling.2005.43.6.1191.
  • Enfield, N. J. (2005). Micro and macro dimensions in linguistic systems. In S. Marmaridou, K. Nikiforidou, & E. Antonopoulou (Eds.), Reviewing linguistic thought: Converging trends for the 21st Century (pp. 313-326). Berlin: Mouton de Gruyter.
  • Enfield, N. J. (2005). Review of the book [The Handbook of Historical Linguistics, edited by Brian D. Joseph and Richard D. Janda]. Linguistics, 43(6), 1191-1197. doi:10.1515/ling.2005.43.6.1191.
  • Ernestus, M., Mak, W. M., & Baayen, R. H. (2005). Waar 't kofschip strandt. Levende Talen Magazine, 92, 9-11.
  • Ernestus, M., & Mak, W. M. (2005). Analogical effects in reading Dutch verb forms. Memory & Cognition, 33(7), 1160-1173.

    Abstract

    Previous research has shown that the production of morphologically complex words in isolation is affected by the properties of morphologically, phonologically, or semantically similar words stored in the mental lexicon. We report five experiments with Dutch speakers that show that reading an inflectional word form in its linguistic context is also affected by analogical sets of formally similar words. Using the self-paced reading technique, we show in Experiments 1-3 that an incorrectly spelled suffix delays readers less if the incorrect spelling is in line with the spelling of verbal suffixes in other inflectional forms of the same verb. In Experiments 4 and 5, our use of the self-paced reading technique shows that formally similar words with different stems affect the reading of incorrect suffixal allomorphs on a given stem. These intra- and interparadigmatic effects in reading may be due to online processes or to the storage of incorrect forms resulting from analogical effects in production.
  • Filippi, P. (2005). Gilbert Ryle: Pensare la Mente. Master Thesis, Università degli Studi di Palermo, Palermo.

    Abstract

    This study focuses on the main work of Gilbert Ryle, “The concept of Mind” (1949). Here the author demolishes what he refers to as the cartesian dogma of “the ghost in the machine”, highlighting the absurdity of categorical ordering in dualist systems, where mental activities are explained as separate from physical actions. Surprisingly, the Italian translator of “The concept of Mind”, Ferruccio Rossi-Landi, missed this key aspect of Ryle’s work, writing up what resulted into a significantly misleading translation. This can be clearly noticed from the title already: “Lo spirito come comportamento” [The ghost as behavior]. This erroneous translation affected the interpretation of “The concept of Mind” as a mere study on behavioral reductionism in Italy. Here, I argue in favor of the originality of Ryle’s approach in pointing out the socio-cultural dynamics as the non - physical dimensions of the human mind, and yet, linked to the human brain. In doing so, I trace the crucial influence of Wittgenstein’s philosophy in Ryle’s interpretation of the concept of mind, which helps in grasping a better understanding of his work. Wittgenstein’s influence shows clearly in Ryle’s conceptual operation of grounding the acquisition of dispositions and competences - which ultimately define the rational subjects as rational agents – in the shared background of social and cultural dynamics. In a nutshell, this social dimension is the defining characteristic of the human mind and of all human actions in Ryle’s philosophy. As Ryle argues in “On thinking” (1979), this intrinsic quality of human actions can reveal itself in actions that one performs absent-mindendly in everyday life, as well as in more complex ones: for instance, when the mind reflects upon itself.
  • Fisher, S. E. (2005). Dissection of molecular mechanisms underlying speech and language disorders. Applied Psycholinguistics, 26, 111-128. doi:10.1017/S0142716405050095.

    Abstract

    Developmental disorders affecting speech and language are highly heritable, but very little is currently understood about the neuromolecular mechanisms that underlie these traits. Integration of data from diverse research areas, including linguistics, neuropsychology, neuroimaging, genetics, molecular neuroscience, developmental biology, and evolutionary anthropology, is becoming essential for unraveling the relevant pathways. Recent studies of the FOXP2 gene provide a case in point. Mutation of FOXP2 causes a rare form of speech and language disorder, and the gene appears to be a crucial regulator of embryonic development for several tissues. Molecular investigations of the central nervous system indicate that the gene may be involved in establishing and maintaining connectivity of corticostriatal and olivocerebellar circuits in mammals. Notably, it has been shown that FOXP2 was subject to positive selection in recent human evolution. Consideration of findings from multiple levels of analysis demonstrates that FOXP2 cannot be characterized as “the gene for speech,” but rather as one critical piece of a complex puzzle. This story gives a flavor of what is to come in this field and indicates that anyone expecting simple explanations of etiology or evolution should be prepared for some intriguing surprises.
  • Fisher, S. E. (2005). On genes, speech, and language. The New England Journal of Medicine: NEJM / Publ. by the Massachusetts Medical Society, 353, 1655-1657. doi:10.1056/NEJMp058207.

    Abstract

    Learning to talk is one of the most important milestones in human development, but we still have only a limited understanding of the way in which the process occurs. It normally takes just a few years to go from babbling newborn to fluent communicator. During this period, the child learns to produce a rich array of speech sounds through intricate control of articulatory muscles, assembles a vocabulary comprising thousands of words, and deduces the complicated structural rules that permit construction of meaningful sentences. All of this (and more) is achieved with little conscious effort.

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  • Floyd, S. (2005). The poetics of evidentiality in South American storytelling. In L. Harper, & C. Jany (Eds.), Proceedings from the Eighth Workshop on American Indigenous languages (pp. 28-41). Santa Barbara, Cal: University of California, Santa Barbara. (Santa Barbara Papers in Linguistics; 46).
  • Forkstam, C., & Petersson, K. M. (2005). Towards an explicit account of implicit learning. Current Opinion in Neurology, 18(4), 435-441.

    Abstract

    Purpose of review: The human brain supports acquisition mechanisms that can extract structural regularities implicitly from experience without the induction of an explicit model. Reber defined the process by which an individual comes to respond appropriately to the statistical structure of the input ensemble as implicit learning. He argued that the capacity to generalize to new input is based on the acquisition of abstract representations that reflect underlying structural regularities in the acquisition input. We focus this review of the implicit learning literature on studies published during 2004 and 2005. We will not review studies of repetition priming ('implicit memory'). Instead we focus on two commonly used experimental paradigms: the serial reaction time task and artificial grammar learning. Previous comprehensive reviews can be found in Seger's 1994 article and the Handbook of Implicit Learning. Recent findings: Emerging themes include the interaction between implicit and explicit processes, the role of the medial temporal lobe, developmental aspects of implicit learning, age-dependence, the role of sleep and consolidation. Summary: The attempts to characterize the interaction between implicit and explicit learning are promising although not well understood. The same can be said about the role of sleep and consolidation. Despite the fact that lesion studies have relatively consistently suggested that the medial temporal lobe memory system is not necessary for implicit learning, a number of functional magnetic resonance studies have reported medial temporal lobe activation in implicit learning. This issue merits further research. Finally, the clinical relevance of implicit learning remains to be determined.
  • Forkstam, C., & Petersson, K. M. (2005). Syntactic classification of acquired structural regularities. In G. B. Bruna, & L. Barsalou (Eds.), Proceedings of the 27th Annual Conference of the Cognitive Science Society (pp. 696-701).

    Abstract

    In this paper we investigate the neural correlates of syntactic classification of an acquired grammatical sequence structure in an event-related FMRI study. During acquisition, participants were engaged in an implicit short-term memory task without performance feedback. We manipulated the statistical frequency-based and rule-based characteristics of the classification stimuli independently in order to investigate their role in artificial grammar acquisition. The participants performed reliably above chance on the classification task. We observed a partly overlapping corticostriatal processing network activated by both manipulations including inferior prefrontal, cingulate, inferior parietal regions, and the caudate nucleus. More specifically, the left inferior frontal BA 45 and the caudate nucleus were sensitive to syntactic violations and endorsement, respectively. In contrast, these structures were insensitive to the frequency-based manipulation.
  • Gaby, A. R. (2005). Some participants are more equal than others: Case and the composition of arguments in Kuuk Thaayorre. In M. Amberber, & H. d. Hoop (Eds.), Competition and variation in natural languages: the case for the case (pp. 9-39). Amsterdam: Elsevier.
  • Gayán, J., Willcutt, E. G., Fisher, S. E., Francks, C., Cardon, L. R., Olson, R. K., Pennington, B. F., Smith, S., Monaco, A. P., & DeFries, J. C. (2005). Bivariate linkage scan for reading disability and attention-deficit/hyperactivity disorder localizes pleiotropic loci. Journal of Child Psychology and Psychiatry, 46(10), 1045-1056. doi:10.1111/j.1469-7610.2005.01447.x.

    Abstract

    BACKGROUND: There is a growing interest in the study of the genetic origins of comorbidity, a direct consequence of the recent findings of genetic loci that are seemingly linked to more than one disorder. There are several potential causes for these shared regions of linkage, but one possibility is that these loci may harbor genes with manifold effects. The established genetic correlation between reading disability (RD) and attention-deficit/hyperactivity disorder (ADHD) suggests that their comorbidity is due at least in part to genes that have an impact on several phenotypes, a phenomenon known as pleiotropy. METHODS: We employ a bivariate linkage test for selected samples that could help identify these pleiotropic loci. This linkage method was employed to carry out the first bivariate genome-wide analysis for RD and ADHD, in a selected sample of 182 sibling pairs. RESULTS: We found evidence for a novel locus at chromosome 14q32 (multipoint LOD=2.5; singlepoint LOD=3.9) with a pleiotropic effect on RD and ADHD. Another locus at 13q32, which had been implicated in previous univariate scans of RD and ADHD, seems to have a pleiotropic effect on both disorders. 20q11 is also suggested as a pleiotropic locus. Other loci previously implicated in RD or ADHD did not exhibit bivariate linkage. CONCLUSIONS: Some loci are suggested as having pleiotropic effects on RD and ADHD, while others might have unique effects. These results highlight the utility of this bivariate linkage method to study pleiotropy.
  • Goudbeek, M., Smits, R., Cutler, A., & Swingley, D. (2005). Acquiring auditory and phonetic categories. In H. Cohen, & C. Lefebvre (Eds.), Handbook of categorization in cognitive science (pp. 497-513). Amsterdam: Elsevier.
  • Le Guen, O. (2005). Geografía de lo sagrado entre los Mayas Yucatecos de Quintana Roo: configuración del espacio y su aprendizaje entre los niños. Ketzalcalli, 2005(1), 54-68.
  • Gullberg, M. (2005). L'expression orale et gestuelle de la cohésion dans le discours de locuteurs langue 2 débutants. AILE, 23, 153-172.
  • Hagoort, P. (2005). On Broca, brain, and binding: A new framework. Trends in Cognitive Sciences, 9(9), 416-423. doi:10.1016/j.tics.2005.07.004.

    Abstract

    In speaking and comprehending language, word information is retrieved from memory and combined into larger units (unification). Unification operations take place in parallel at the semantic, syntactic and phonological levels of processing. This article proposes a new framework that connects psycholinguistic models to a neurobiological account of language. According to this proposal the left inferior frontal gyrus (LIFG) plays an important role in unification. Research in other domains of cognition indicates that left prefrontal cortex has the necessary neurobiological characteristics for its involvement in the unification for language. I offer here a psycholinguistic perspective on the nature of language unification and the role of LIFG.
  • Hagoort, P. (2005). De talige aap. Linguaan, 26-35.
  • Hagoort, P. (2005). Breintaal. In S. Knols, & D. Redeker (Eds.), NWO-Spinozapremies 2005 (pp. 21-34). Den Haag: NWO.
  • Hagoort, P. (2005). Broca's complex as the unification space for language. In A. Cutler (Ed.), Twenty-first century psycholinguistics: Four cornerstones (pp. 157-173). Mahwah, NJ: Erlbaum.
  • Haun, D. B. M., Allen, G. L., & Wedell, D. H. (2005). Bias in spatial memory: A categorical endorsement. Acta Psychologica, 118(1-2), 149-170. doi:10.1016/j.actpsy.2004.10.011.
  • Hay, J. B., & Baayen, R. H. (2005). Shifting paradigms: Gradient structure in morphology. Trends in Cognitive Sciences, 9(7), 342-348. doi:10.1016/j.tics.2005.04.002.

    Abstract

    Morphology is the study of the internal structure of words. A vigorous ongoing debate surrounds the question of how such internal structure is best accounted for: by means of lexical entries and deterministic symbolic rules, or by means of probabilistic subsymbolic networks implicitly encoding structural similarities in connection weights. In this review, we separate the question of subsymbolic versus symbolic implementation from the question of deterministic versus probabilistic structure. We outline a growing body of evidence, mostly external to the above debate, indicating that morphological structure is indeed intrinsically graded. By allowing probability into the grammar, progress can be made towards solving some long-standing puzzles in morphological theory.
  • De Hoop, H., & Narasimhan, B. (2005). Differential case-marking in Hindi. In M. Amberber, & H. de Hoop (Eds.), Competition and variation in natural languages: The case for case (pp. 321-345). Amsterdam: Elsevier.
  • Huettig, F., & Altmann, G. T. M. (2005). Word meaning and the control of eye fixation: Semantic competitor effects and the visual world paradigm. Cognition, 96(1), B23-B32. doi:10.1016/j.cognition.2004.10.003.

    Abstract

    When participants are presented simultaneously with spoken language and a visual display depicting objects to which that language refers, participants spontaneously fixate the visual referents of the words being heard [Cooper, R. M. (1974). The control of eye fixation by the meaning of spoken language: A new methodology for the real-time investigation of speech perception, memory, and language processing. Cognitive Psychology, 6(1), 84–107; Tanenhaus, M. K., Spivey-Knowlton, M. J., Eberhard, K. M., & Sedivy, J. C. (1995). Integration of visual and linguistic information in spoken language comprehension. Science, 268(5217), 1632–1634]. We demonstrate here that such spontaneous fixation can be driven by partial semantic overlap between a word and a visual object. Participants heard the word ‘piano’ when (a) a piano was depicted amongst unrelated distractors; (b) a trumpet was depicted amongst those same distractors; and (c), both the piano and trumpet were depicted. The probability of fixating the piano and the trumpet in the first two conditions rose as the word ‘piano’ unfolded. In the final condition, only fixations to the piano rose, although the trumpet was fixated more than the distractors. We conclude that eye movements are driven by the degree of match, along various dimensions that go beyond simple visual form, between a word and the mental representations of objects in the concurrent visual field.
  • Janse, E. (2005). Lexical inhibition effects in time-compressed speech. In Proceedings of the 9th European Conference on Speech Communication and Technology [Interspeech 2005] (pp. 1757-1760).
  • Janse, E. (2005). Neighbourhood density effects in auditory nonword processing in aphasia. Brain and Language, 95, 24-25. doi:10.1016/j.bandl.2005.07.027.
  • Janzen, G., & Hawlik, M. (2005). Orientierung im Raum: Befunde zu Entscheidungspunkten. Zeitschrift für Psychology, 213, 179-186.
  • Janzen, G. (2005). Wie das mensliche Gehirn Orientierung ermöglicht. In G. Plehn (Ed.), Jahrbuch der Max-Planck-Gesellschaft (pp. 599-601). Göttingen: Vandenhoeck & Ruprecht.
  • Jesse, A., & Massaro, D. W. (2005). Towards a lexical fuzzy logical model of perception: The time-course of audiovisual speech processing in word identification. In E. Vatikiotis-Bateson, D. Burnham, & S. Fels (Eds.), Proceedings of the Auditory-Visual Speech Processing International Conference 2005 (pp. 35-36). Adelaide, Australia: Causal Productions.

    Abstract

    This study investigates the time-course of information processing in both visual as well as in the auditory speech as used for word identification in face-to-face communication. It extends the limited previous research on this topic and provides a valuable database for future research in audiovisual speech perception. An evaluation of models of speech perception by ear and eye in their ability to account for the audiovisual gating data shows a superior role of the fuzzy logical model of perception (FLMP) [1] over additive models of perception. A new dynamic version of the FLMP seems to be a promising model to account for the complex interplay of perceptual and cognitive information in audiovisual spoken word recognition.
  • Jesse, A. (2005). Towards a lexical fuzzy logical model of perception: The time-course of information in lexical identification of face-to-face speech. PhD Thesis, University of California, Santa Cruz.

    Abstract

    In face-to-face communication, information from the face as well as from the voice contributes to the identification of spoken words. This dissertation investigates the time-course of the evaluation and integration of visual and auditory speech in audiovisual word identification. A large-scale audiovisual gating study extends previous research on this topic by (1) using a set of words that includes all possible initial consonants in English in three vowel contexts, (2) tracking the information processing for individual words not only across modalities, but also over time, and (3) testing quantitative models of the time-course of multimodal word recognition. There was an advantage in accuracy for audiovisual speech over auditory-only and visual-only speech. Auditory performance was, however, close to ceiling while performance on visual-only trials was near the floor of the scale, but well above chance. Visual information was used at all gates to identify the presented words. Information theoretic feature analyses of the confusion matrices revealed that the auditory signal is highly informative about voicing, manner, frication, duration, and place of articulation. Visual speech is mostly informative about place of articulation, but also about frication and duration. The auditory signal provides more information about the place of articulation for back consonants, whereas the visual signal provides more information for the labial consonants. The data were sufficient to discriminate between models of audiovisual word recognition. The Fuzzy Logical Model of Perception (FLMP; Massaro, 1998) gave a better account of the confusion matrix data than additive models of perception. A dynamic version of the FLMP was expanded to account for the evaluation and integration of information over time. This dynamic FLMP provided a better description of the data than dynamic additive competitor models. The present study builds a good foundation to investigate the role of the complex interplay between stimulus information and the structure of the lexicon. It provides an important step in building a formal representation of a lexical dynamic FLMP that can account not only for the time-course of speech information and its perceptual processing, but also for lexical influences.
  • Johns, T. G., Vitali, A. A., Perera, R. M., Vernes, S. C., & Scott, A. M. (2005). Ligand-independent activation of the EGFRvIII: A naturally occurring mutation of the EGFR commonly expressed in glioma [Abstract]. Neuro-Oncology, 7, 299.

    Abstract

    Mutations of the epidermal growth factor receptor (EGFR) gene are found at a relatively high frequency in glioma, with the most common being the de2-7 EGFR (or EGFRvIII). This mutation arises from an in-frame deletion of exons 2–7, which removes 267 amino acids from the extracellular domain of the receptor. Despite being unable to bind ligand, the de2-7 EGFR is constitutively active at a low level. Transfection of human glioma cells with the de2-7 EGFR has little effect in vitro, but when grown as tumor xenografts this mutated receptor imparts a dramatic growth advantage. We have now mapped the phosphorylation pattern of de2-7 EGFR, both in vivo and in vitro, using a panel of antibodies unique to the different phosphorylated tyrosine residues. Phosphorylation of de2-7 EGFR was detected constitutively at all tyrosine sites surveyed both in vitro and in vivo, including tyrosine 845, a known target in the wild-type EGFR for src kinase. There was a substantial upregulation of phosphorylation at every tyrosine residue of the de2-7 EGFR when cells were grown in vivo compared to the receptor isolated from cells cultured in vitro. Upregulation of phosphorylation could be mimicked in vitro by the addition of specifi c components of the ECM such as collagen via an integrin-dependent mechanism. Since this increase in in vivo phosphorylation enhances de2-7 EGFR signaling, this observation explains why the growth enhancement mediated by de2-7 EGFR is largely restricted to the in vivo environment. In a second set of experiments we analyzed the interaction between EGFRvIII and ErbB2. Co-expression of these proteins in NR6 cells, a mouse fi broblast line devoid of ErbB family members, dramatically enhanced in vivo tumorigenicity of these cells compared to cells expressing either protein alone. Detailed analysis of these xenografts demonstrated that EGFRvIII could heterodimerize and transphosphorylate the ErbB2. Since both EGFRvIII and ErbB2 are commonly expressed at gliomas, this data suggests that the co-expression of these two proteins may enhance glioma tumorigenicity.
  • Johnson, E. K. (2005). English-learning infants' representations of word-forms with iambic stress. Infancy, 7(1), 95-105. doi:10.1207/s15327078in0701_8.

    Abstract

    Retaining detailed representations of unstressed syllables is a logical prerequisite for infants' use of probabilistic phonotactics to segment iambic words from fluent speech. The head-turn preference study was used to investigate the nature of English- learners' representations of iambic word onsets. Fifty-four 10.5-month-olds were familiarized to passages containing the nonsense iambic word forms ginome and tupong. Following familiarization, infants were either tested on familiar (ginome and tupong) or near-familiar (pinome and bupong) versus unfamiliar (kidar and mafoos) words. Infants in the familiar test group (familiar vs. unfamiliar) oriented significantly longer to familiar than unfamiliar test items, whereas infants in the near-familiar test group (near-familiar vs. unfamiliar) oriented equally long to near-familiar and unfamiliar test items. Our results provide evidence that infants retain fairly detailed representations of unstressed syllables and therefore support the hypothesis that infants use phonotactic cues to find words in fluent speech.
  • Johnson, E. K. (2005). Grammatical gender and early word recognition in Dutch. In A. Brugos, M. R. Clark-Cotton, & S. Ha (Eds.), Proceedings of the 29th Boston University Conference on Language Developement (pp. 320-330). Sommervile, MA: Cascadilla Press.
  • Johnson, E. K., Westrek, E., & Nazzi, T. (2005). Language familiarity affects voice discrimination by seven-month-olds. In Proceedings of the ISCA Workshop on Plasticity in Speech Perception (PSP2005) (pp. 227-230).
  • Johnsrude, I., Davis, M., & Hervais-Adelman, A. (2005). From sound to meaning: Hierarchical processing in speech comprehension. In D. Pressnitzer, S. McAdams, A. DeCheveigne, & L. Collet (Eds.), Auditory Signal Processing: Physiology, Psychoacoustics, and Models (pp. 299-306). New York: Springer.
  • Jolink, A. (2005). Finite linking in normally developing Dutch children and children with specific language impairment. Zeitschrift für Literaturwissenschaft und Linguistik, 140, 61-81.
  • Jordan, F., & Mace, R. (2005). The evolution of human sex-ratio at birth: A bio-cultural analysis. In R. Mace, C. J. Holden, & S. Shennan (Eds.), The evolution of cultural diversity: A phylogenetic approach (pp. 207-216). London: UCL Press.
  • Kelly, A., Narasimhan, B., & Smits, R. (2005). Max-Planck-Institute for Psycholinguistics: Annual Report 2005. Nijmegen: MPI for Psycholinguistics.
  • Kempen, G., & Harbusch, K. (2005). The relationship between grammaticality ratings and corpus frequencies: A case study into word order variability in the midfield of German clauses. In S. Kepser, & M. Reis (Eds.), Linguistic evidence - emperical, theoretical, and computational perspectives (pp. 329-349). Berlin: Mouton de Gruyter.
  • Kempen, G., & Olsthoorn, N. (2005). Non-parallelism of grammatical encoding and decoding due to shared working memory [Abstract]. In AMLaP-2005 11th Annual Conference on Architectures and Mechanisms for Language Processing September 5-7, 2005 Ghent, Belgium (pp. 24).
  • Kemps, R. J. J. K., Wurm, L. H., Ernestus, M., Schreuder, R., & Baayen, R. H. (2005). Prosodic cues for morphological complexity in Dutch and English. Language and Cognitive Processes, 20(1/2), 43-73. doi:10.1080/01690960444000223.

    Abstract

    Previous work has shown that Dutch listeners use prosodic information in the speech signal to optimise morphological processing: Listeners are sensitive to prosodic differences between a noun stem realised in isolation and a noun stem realised as part of a plural form (in which the stem is followed by an unstressed syllable). The present study, employing a lexical decision task, provides an additional demonstration of listeners' sensitivity to prosodic cues in the stem. This sensitivity is shown for two languages that differ in morphological productivity: Dutch and English. The degree of morphological productivity does not correlate with listeners' sensitivity to prosodic cues in the stem, but it is reflected in differential sensitivities to the word-specific log odds ratio of encountering an unshortened stem (i.e., a stem in isolation) versus encountering a shortened stem (i.e., a stem followed by a suffix consisting of one or more unstressed syllables). In addition to being sensitive to the prosodic cues themselves, listeners are also sensitive to the probabilities of occurrence of these prosodic cues.
  • Kemps, R. J. J. K., Ernestus, M., Schreuder, R., & Baayen, R. H. (2005). Prosodic cues for morphological complexity: The case of Dutch plural nouns. Memory & Cognition, 33(3), 430-446.

    Abstract

    It has recently been shown that listeners use systematic differences in vowel length and intonation to resolve ambiguities between onset-matched simple words (Davis, Marslen-Wilson, & Gaskell, 2002; Salverda, Dahan, & McQueen, 2003). The present study shows that listeners also use prosodic information in the speech signal to optimize morphological processing. The precise acoustic realization of the stem provides crucial information to the listener about the morphological context in which the stem appears and attenuates the competition between stored inflectional variants. We argue that listeners are able to make use of prosodic information, even though the speech signal is highly variable within and between speakers, by virtue of the relative invariance of the duration of the onset. This provides listeners with a baseline against which the durational cues in a vowel and a coda can be evaluated. Furthermore, our experiments provide evidence for item-specific prosodic effects.
  • Keune, K., Ernestus, M., Van Hout, R., & Baayen, R. H. (2005). Variation in Dutch: From written "mogelijk" to spoken "mok". Corpus Linguistics and Linguistic Theory, 1(2), 183-223. doi:10.1515/cllt.2005.1.2.183.

    Abstract

    In Dutch, high-frequency words with the suffix -lijk are often highly reduced in spontaneous unscripted speech. This study addressed socio-geographic variation in the reduction of such words against the backdrop of the variation in their use in written and spoken Dutch. Multivariate analyses of the frequencies with which the words were used in a factorially contrasted set of subcorpora revealed signi ficant variation involving the speaker's country, sex, and education level for spoken Dutch, and involving country and register for written Dutch. Acoustic analyses revealed that Dutch men reduced most often, while Flemish highly educated women reduced least. Two linguistic context effects emerged, one prosodic, and the other pertaining to the flow of information. Words in sentence final position showed less reduction, while words that were better predictable from the preceding word in the sentence(based on mutual information) tended to be reduced more often. The increased probability of reduction for forms that are more predictable in context, combined with the loss of the suffix in the more extremely reduced forms, suggests that highfrequency words in -lijk are undergoing a process of erosion that causes them to gravitate towards monomorphemic function words.

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