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Udden, J., Hulten, A., Schoffelen, J.-M., Lam, N. H. L., Harbusch, K., Van den Bosch, A., Kempen, G., Petersson, K. M., & Hagoort, P. (2022). Supramodal sentence processing in the human brain: fMRI evidence for the influence of syntactic complexity in more than 200 participants. Neurobiology of Language, 3(4), 575-598. doi:10.1162/nol_a_00076.
Abstract
This study investigated two questions. One is: To what degree is sentence processing beyond single words independent of the input modality (speech vs. reading)? The second question is: Which parts of the network recruited by both modalities is sensitive to syntactic complexity? These questions were investigated by having more than 200 participants read or listen to well-formed sentences or series of unconnected words. A largely left-hemisphere frontotemporoparietal network was found to be supramodal in nature, i.e., independent of input modality. In addition, the left inferior frontal gyrus (LIFG) and the left posterior middle temporal gyrus (LpMTG) were most clearly associated with left-branching complexity. The left anterior temporal lobe (LaTL) showed the greatest sensitivity to sentences that differed in right-branching complexity. Moreover, activity in LIFG and LpMTG increased from sentence onset to end, in parallel with an increase of the left-branching complexity. While LIFG, bilateral anterior temporal lobe, posterior MTG, and left inferior parietal lobe (LIPL) all contribute to the supramodal unification processes, the results suggest that these regions differ in their respective contributions to syntactic complexity related processing. The consequences of these findings for neurobiological models of language processing are discussed.Additional information
supporting information -
Kempen, G. (1991). Conjunction reduction and gapping in clause-level coordination: An inheritance-based approach. Computational Intelligence, 7, 357-360. doi:10.1111/j.1467-8640.1991.tb00406.x.
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Kempen, G., & De Vroomen, P. (
Eds. ). (1991). Informatiewetenschap 1991: Wetenschappelijke bijdragen aan de eerste STINFON-conferentie. Leiden: STINFON. -
De Smedt, K., & Kempen, G. (1991). Segment Grammar: A formalism for incremental sentence generation. In C. Paris, W. Swartout, & W. Mann (
Eds. ), Natural language generation and computational linguistics (pp. 329-349). Dordrecht: Kluwer Academic Publishers.Abstract
Incremental sentence generation imposes special constraints on the representation of the grammar and the design of the formulator (the module which is responsible for constructing the syntactic and morphological structure). In the model of natural speech production presented here, a formalism called Segment Grammar is used for the representation of linguistic knowledge. We give a definition of this formalism and present a formulator design which relies on it. Next, we present an object- oriented implementation of Segment Grammar. Finally, we compare Segment Grammar with other formalisms. -
Van der Veer, G. C., Bagnara, S., & Kempen, G. (1991). Preface. Acta Psychologica, 78, ix. doi:10.1016/0001-6918(91)90002-H.
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Vosse, T., & Kempen, G. (1991). A hybrid model of human sentence processing: Parsing right-branching, center-embedded and cross-serial dependencies. In M. Tomita (
Ed. ), Proceedings of the Second International Workshop on Parsing Technologies.
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