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Favier, S., & Huettig, F. (in press). Long-term written language experience affects grammaticality judgments and usage but not priming of spoken sentences. Quarterly Journal of Experimental Psychology.
Abstract‘Book language’ offers a richer linguistic experience than typical conversational speech in terms of its syntactic properties. Here, we investigated the role of long-term syntactic experience on syntactic knowledge and processing. In a pre-registered study with 161 adult native Dutch speakers with varying levels of literacy, we assessed the contribution of individual differences in written language experience to offline and online syntactic processes. Offline syntactic knowledge was assessed as accuracy in an auditory grammaticality judgment task in which we tested violations of four Dutch grammatical norms. Online syntactic processing was indexed by syntactic priming of the Dutch dative alternation, using a comprehension-to-production priming paradigm with auditory presentation. Controlling for the contribution of non-verbal IQ, verbal working memory, and processing speed, we observed a robust effect of literacy experience on the detection of grammatical norm violations in spoken sentences, suggesting that exposure to the syntactic complexity and diversity of written language has specific benefits for general (modality-independent) syntactic knowledge. We replicated previous results by finding robust comprehension-to-production structural priming, both with and without lexical overlap between prime and target. Although literacy experience affected the usage of syntactic alternates in our large sample, it did not modulate their priming. We conclude that amount of experience with written language increases explicit awareness of grammatical norm violations and changes the usage of (PO vs. DO) dative spoken sentences but has no detectable effect on their implicit syntactic priming in proficient language users. These findings constrain theories about the effect of long-term experience on syntactic processing.
Postema, M., Hoogman, M., Ambrosino, S., Asherson, P., Banaschewski, T., Bandeira, C. E., Baranov, A., Bau, C. H. D., Baumeister, S., Baur-Streubel, R., Bellgrove, M. A., Biederman, J., Bralten, J., Brandeis, D., Brem, S., Buitelaar, J. K., Busatto, G. F., Castellanos, F. X., Cercignani, M., Chaim-Avancini, T. M. and 85 morePostema, M., Hoogman, M., Ambrosino, S., Asherson, P., Banaschewski, T., Bandeira, C. E., Baranov, A., Bau, C. H. D., Baumeister, S., Baur-Streubel, R., Bellgrove, M. A., Biederman, J., Bralten, J., Brandeis, D., Brem, S., Buitelaar, J. K., Busatto, G. F., Castellanos, F. X., Cercignani, M., Chaim-Avancini, T. M., Chantiluke, K. C., Christakou, A., Coghill, D., Conzelmann, A., Cubillo, A. I., Cupertino, R. B., de Zeeuw, P., Doyle, A. E., Durston, S., Earl, E. A., Epstein, J. N., Ethofer, T., Fair, D. A., Fallgatter, A. J., Faraone, S. V., Frodl, T., Gabel, M. C., Gogberashvili, T., Grevet, E. H., Haavik, J., Harrison, N. A., Hartman, C. A., Heslenfeld, D. J., Hoekstra, P. J., Hohmann, S., Høvik, M. F., Jernigan, T. L., Kardatzki, B., Karkashadze, G., Kelly, C., Kohls, G., Konrad, K., Kuntsi, J., Lazaro, L., Lera-Miguel, S., Lesch, K.-P., Louza, M. R., Lundervold, A. J., Malpas, C. B., Mattos, P., McCarthy, H., Namazova-Baranova, L., Nicolau, R., Nigg, J. T., Novotny, S. E., Oberwelland Weiss, E., O'Gorman Tuura, R. L., Oosterlaan, J., Oranje, B., Paloyelis, Y., Pauli, P., Picon, F. A., Plessen, K. J., Ramos-Quiroga, J. A., Reif, A., Reneman, L., Rosa, P. G. P., Rubia, K., Schrantee, A., Schweren, L. J. S., Seitz, J., Shaw, P., Silk, T. J., Skokauskas, N., Soliva Vila, J. C., Stevens, M. C., Sudre, G., Tamm, L., Tovar-Moll, F., Van Erp, T. G. M., Vance, A., Vilarroya, O., Vives-Gilabert, Y., Von Polier, G. G., Walitza, S., Yoncheva, Y. N., Zanetti, M. V., Ziegler, G. C., Glahn, D. C., Jahanshad, N., Medland, S. E., ENIGMA ADHD Working Group, Thompson, P. M., Fisher, S. E., Franke, B., & Francks, C. (in press). Analysis of structural brain asymmetries in Attention-Deficit/Hyperactivity Disorder in 39 datasets. Journal of Child Psychology and Psychiatry.
AbstractObjective: Some studies have suggested alterations of structural brain asymmetry in attention-deficit/hyperactivity disorder (ADHD), but findings have been contradictory and based on small samples. Here we performed the largest-ever analysis of brain left-right asymmetry in ADHD, using 39 datasets of the ENIGMA consortium. Methods: We analyzed asymmetry of subcortical and cerebral cortical structures in up to 1,933 people with ADHD and 1,829 unaffected controls. Asymmetry Indexes (AIs) were calculated per participant for each bilaterally paired measure, and linear mixed effects modelling was applied separately in children, adolescents, adults, and the total sample, to test exhaustively for potential associations of ADHD with structural brain asymmetries. Results: There was no evidence for altered caudate nucleus asymmetry in ADHD, in contrast to prior literature. In children, there was less rightward asymmetry of the total hemispheric surface area compared to controls (t=2.1, P=0.04). Lower rightward asymmetry of medial orbitofrontal cortex surface area in ADHD (t=2.7, P=0.01) was similar to a recent finding for autism spectrum disorder. There were also some differences in cortical thickness asymmetry across age groups. In adults with ADHD, globus pallidus asymmetry was altered compared to those without ADHD. However, all effects were small (Cohen’s d from -0.18 to 0.18) and would not survive study-wide correction for multiple testing. Conclusion: Prior studies of altered structural brain asymmetry in ADHD were likely under-powered to detect the small effects reported here. Altered structural asymmetry is unlikely to provide a useful biomarker for ADHD, but may provide neurobiological insights into the trait.
Additional informationlink to preprint via bioRxiv