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Broca's region: A causal role in implicit processing of grammars with crossed non-adjacent dependencies

2017-07Journal article Open access
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dc.contributor.authorUdden, Julia
dc.contributor.authorIngvar, Martin
dc.contributor.authorHagoort, Peter
dc.contributor.authorPetersson, Karl Magnus
dc.date.accessioned2019-11-20T15:07:32Z
dc.date.available2019-11-20T15:07:32Z
dc.date.issued2017-07
dc.description.abstractNon-adjacent dependencies are challenging for the language learning machinery and are acquired later than adjacent dependencies. In this transcranial magnetic stimulation (TMS) study, we show that participants successfully discriminated between grammatical and non-grammatical sequences after having implicitly acquired an artificial language with crossed non-adjacent dependencies. Subsequent to transcranial magnetic stimulation of Broca's region, discrimination was impaired compared to when a language-irrelevant control region (vertex) was stimulated. These results support the view that Broca's region is engaged in structured sequence processing and extend previous functional neuroimaging results on artificial grammar learning (AGL) in two directions: first, the results establish that Broca's region is a causal component in the processing of non-adjacent dependencies, and second, they show that implicit processing of non-adjacent dependencies engages Broca's region. Since patients with lesions in Broca's region do not always show grammatical processing difficulties, the result that Broca's region is causally linked to processing of non-adjacent dependencies is a step towards clarification of the exact nature of syntactic deficits caused by lesions or perturbation to Broca's region. Our findings are consistent with previous results and support a role for Broca's region in general structured sequence processing, rather than a specific role for the processing of hierarchically organized sentence structure. (C) 2017 Published by Elsevier B.V.
dc.description.sponsorshipMax Planck Institute for Psycholinguistics
dc.description.sponsorshipDonders Institute for Brain
dc.description.sponsorshipCognition and Behaviour
dc.description.sponsorshipCentre for Cognitive Neuroimaging
dc.description.sponsorshipRadboud University Nijmegen
dc.description.sponsorshipFundacao para a Ciencia e Tecnologia [PTDC/PSI-PC0/110734/2009]
dc.description.sponsorshipIBB/CBME, LA [PEst-OE/EQB/LA0023/2013]
dc.description.sponsorshipVetenskapsradet [8276]
dc.description.sponsorshipSwedish Dyslexia Foundation
dc.description.sponsorshipFEDER/POCI
dc.identifier.doi10.1016/j.cognition.2017.03.010
dc.identifier.issn0010-0277
dc.identifier.issn1873-7838
dc.identifier.urihttp://hdl.handle.net/10400.1/13090
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier Science Bv
dc.subjectInferior Frontal-Cortex
dc.subjectArtificial Grammar
dc.subjectSyntactic Structure
dc.subjectChunk Strength
dc.subjectLanguage
dc.subjectBrain
dc.subjectArea
dc.subjectComprehension
dc.subjectAphasia
dc.subjectMusic
dc.titleBroca's region: A causal role in implicit processing of grammars with crossed non-adjacent dependencies
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage198
oaire.citation.startPage188
oaire.citation.titleCognition
oaire.citation.volume164
person.familyNamePetersson
person.givenNameKarl Magnus
person.identifier13089
person.identifier.ciencia-id6D14-B1D1-1532
person.identifier.orcid0000-0002-8245-0392
person.identifier.ridE-8188-2012
person.identifier.scopus-author-id7006470225
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublication0f437ab3-c630-40ad-963f-13196ad4fbd6
relation.isAuthorOfPublication.latestForDiscovery0f437ab3-c630-40ad-963f-13196ad4fbd6

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