Publications

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  • Willems, R. M., Ozyurek, A., & Hagoort, P. (2009). Differential roles for left inferior frontal and superior temporal cortex in multimodal integration of action and language. Neuroimage, 47, 1992-2004. doi:10.1016/j.neuroimage.2009.05.066.

    Abstract

    Several studies indicate that both posterior superior temporal sulcus/middle temporal gyrus (pSTS/MTG) and left inferior frontal gyrus (LIFG) are involved in integrating information from different modalities. Here we investigated the respective roles of these two areas in integration of action and language information. We exploited the fact that the semantic relationship between language and different forms of action (i.e. co-speech gestures and pantomimes) is radically different. Speech and co-speech gestures are always produced together, and gestures are not unambiguously understood without speech. On the contrary, pantomimes are not necessarily produced together with speech and can be easily understood without speech. We presented speech together with these two types of communicative hand actions in matching or mismatching combinations to manipulate semantic integration load. Left and right pSTS/MTG were only involved in semantic integration of speech and pantomimes. Left IFG on the other hand was involved in integration of speech and co-speech gestures as well as of speech and pantomimes. Effective connectivity analyses showed that depending upon the semantic relationship between language and action, LIFG modulates activation levels in left pSTS.

    This suggests that integration in pSTS/MTG involves the matching of two input streams for which there is a relatively stable common object representation, whereas integration in LIFG is better characterized as the on-line construction of a new and unified representation of the input streams. In conclusion, pSTS/MTG and LIFG are differentially involved in multimodal integration, crucially depending upon the semantic relationship between the input streams.

    Additional information

    Supplementary table S1
  • Willems, R. M., & Hagoort, P. (2009). Hand preference influences neural correlates of action observation. Brain Research, 1269, 90-104. doi:10.1016/j.brainres.2009.02.057.

    Abstract

    It has been argued that we map observed actions onto our own motor system. Here we added to this issue by investigating whether hand preference influences the neural correlates of action observation of simple, essentially meaningless hand actions. Such an influence would argue for an intricate neural coupling between action production and action observation, which goes beyond effects of motor repertoire or explicit motor training, as has been suggested before. Indeed, parts of the human motor system exhibited a close coupling between action production and action observation. Ventral premotor and inferior and superior parietal cortices showed differential activation for left- and right-handers that was similar during action production as well as during action observation. This suggests that mapping observed actions onto the observer's own motor system is a core feature of action observation - at least for actions that do not have a clear goal or meaning. Basic differences in the way we act upon the world are not only reflected in neural correlates of action production, but can also influence the brain basis of action observation.
  • Willems, R. M. (2009). Neural reflections of meaning in gesture, language, and action. PhD Thesis, Radboud University Nijmegen, Nijmegen.
  • Wittek, A. (1998). Learning verb meaning via adverbial modification: Change-of-state verbs in German and the adverb "wieder" again. In A. Greenhill, M. Hughes, H. Littlefield, & H. Walsh (Eds.), Proceedings of the 22nd Annual Boston University Conference on Language Development (pp. 779-790). Somerville, MA: Cascadilla Press.
  • Wittenburg, P., Skiba, R., & Trilsbeek, P. (2004). Technology and Tools for Language Documentation. Language Archive Newsletter, 1(4), 3-4.
  • Wittenburg, P. (2004). The IMDI metadata concept. In S. F. Ferreira (Ed.), Workingmaterial on Building the LR&E Roadmap: Joint COCOSDA and ICCWLRE Meeting, (LREC2004). Paris: ELRA - European Language Resources Association.
  • Wittenburg, P. (2004). Training Course in Lithuania. Language Archive Newsletter, 1(2), 6-6.
  • Wittenburg, P., Brugman, H., Broeder, D., & Russel, A. (2004). XML-based language archiving. In Workshop Proceedings on XML-based Richly Annotaded Corpora (LREC2004) (pp. 63-69). Paris: ELRA - European Language Resources Association.
  • Wittenburg, P., Gulrajani, G., Broeder, D., & Uneson, M. (2004). Cross-disciplinary integration of metadata descriptions. In M. Lino, M. Xavier, F. Ferreira, R. Costa, & R. Silva (Eds.), Proceedings of the 4th International Conference on Language Resources and Evaluation (LREC2004) (pp. 113-116). Paris: ELRA - European Language Resources Association.
  • Wittenburg, P., Dirksmeyer, R., Brugman, H., & Klaas, G. (2004). Digital formats for images, audio and video. Language Archive Newsletter, 1(1), 3-6.
  • Wittenburg, P., Johnson, H., Buchhorn, M., Brugman, H., & Broeder, D. (2004). Architecture for distributed language resource management and archiving. In M. Lino, M. Xavier, F. Ferreira, R. Costa, & R. Silva (Eds.), Proceedings of the 4th International Conference on Language Resources and Evaluation (LREC2004) (pp. 361-364). Paris: ELRA - European Language Resources Association.
  • Wittenburg, P. (2004). International Expert Meeting on Access Management for Distributed Language Archives. Language Archive Newsletter, 1(3), 12-12.
  • Wittenburg, P. (2004). Final review of INTERA. Language Archive Newsletter, 1(4), 11-12.
  • Wittenburg, P. (2004). LinguaPax Forum on Language Diversity, Sustainability, and Peace. Language Archive Newsletter, 1(3), 13-13.
  • Wittenburg, P. (2004). LREC conference 2004. Language Archive Newsletter, 1(3), 12-13.
  • Wittenburg, P. (2004). News from the Archive of the Max Planck Institute for Psycholinguistics. Language Archive Newsletter, 1(4), 12-12.
  • Won, S.-O., Hu, I., Kim, M.-Y., Bae, J.-M., Kim, Y.-M., & Byun, K.-S. (2009). Theory and practice of Sign Language interpretation. Pyeongtaek: Korea National College of Rehabilitation & Welfare.
  • Wood, N. (2009). Field recording for dummies. In A. Majid (Ed.), Field manual volume 12 (pp. V). Nijmegen: Max Planck Institute for Psycholinguistics.
  • Xiao, M., Kong, X., Liu, J., & Ning, J. (2009). TMBF: Bloom filter algorithms of time-dependent multi bit-strings for incremental set. In Proceedings of the 2009 International Conference on Ultra Modern Telecommunications & Workshops.

    Abstract

    Set is widely used as a kind of basic data structure. However, when it is used for large scale data set the cost of storage, search and transport is overhead. The bloom filter uses a fixed size bit string to represent elements in a static set, which can reduce storage space and search cost that is a fixed constant. The time-space efficiency is achieved at the cost of a small probability of false positive in membership query. However, for many applications the space savings and locating time constantly outweigh this drawback. Dynamic bloom filter (DBF) can support concisely representation and approximate membership queries of dynamic set instead of static set. It has been proved that DBF not only possess the advantage of standard bloom filter, but also has better features when dealing with dynamic set. This paper proposes a time-dependent multiple bit-strings bloom filter (TMBF) which roots in the DBF and targets on dynamic incremental set. TMBF uses multiple bit-strings in time order to present a dynamic increasing set and uses backward searching to test whether an element is in a set. Based on the system logs from a real P2P file sharing system, the evaluation shows a 20% reduction in searching cost compared to DBF.
  • Zeshan, U. (2004). Basic English course taught in Indian Sign Language (Ali Yavar Young National Institute for Hearing Handicapped, Ed.). National Institute for the Hearing Handicapped: Mumbai.
  • Zeshan, U. (2004). Interrogative constructions in sign languages - Cross-linguistic perspectives. Language, 80(1), 7-39.

    Abstract

    This article reports on results from a broad crosslinguistic study based on data from thirty-five signed languages around the world. The study is the first of its kind, and the typological generalizations presented here cover the domain of interrogative structures as they appear across a wide range of geographically and genetically distinct signed languages. Manual and nonmanual ways of marking basic types of questions in signed languages are investigated. As a result, it becomes clear that the range of crosslinguistic variation is extensive for some subparameters, such as the structure of question-word paradigms, while other parameters, such as the use of nonmanual expressions in questions, show more similarities across signed languages. Finally, it is instructive to compare the findings from signed language typology to relevant data from spoken languages at a more abstract, crossmodality level.
  • Zeshan, U. (2004). Hand, head and face - negative constructions in sign languages. Linguistic Typology, 8(1), 1-58. doi:10.1515/lity.2004.003.

    Abstract

    This article presents a typology of negative constructions across a substantial number of sign languages from around the globe. After situating the topic within the wider context of linguistic typology, the main negation strategies found across sign languages are described. Nonmanual negation includes the use of head movements and facial expressions for negation and is of great importance in sign languages as well as particularly interesting from a typological point of view. As far as manual signs are concerned, independent negative particles represent the dominant strategy, but there are also instances of irregular negation in most sign languages. Irregular negatives may take the form of suppletion, cliticisation, affixing, or internal modification of a sign. The results of the study lead to interesting generalisations about similarities and differences between negatives in signed and spoken languages.
  • Zwitserlood, I. (2009). Het Corpus NGT. Levende Talen Magazine, 6, 44-45.

    Abstract

    The Corpus NGT
  • Zwitserlood, I. (2009). Het Corpus NGT en de dagelijkse lespraktijk (1). Levende Talen Magazine, 8, 40-41.

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