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  Syntactic and semantic processing in the healthy and aphasic human brain

Dobel, C., Pulvermüller, F., Härle, M., Cohen, R., Köbbel, P., Schönle, P. W., et al. (2001). Syntactic and semantic processing in the healthy and aphasic human brain. Experimental Brain Research, 140(1), 77-85. doi:10.1007/s002210100794.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0002-C155-4 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0002-C156-3
Genre: Zeitschriftenartikel

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dobel_etal_2001_syntactic-and-semantic-processing.pdf (Verlagsversion), 119KB
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 Urheber:
Dobel, Christian1, Autor
Pulvermüller, Friedemann2, 3, Autor
Härle, Markus2, Autor
Cohen, Rudolf2, Autor
Köbbel, Peter4, Autor
Schönle, Paul Walter2, 4, Autor
Rockstroh, Brigitte4, Autor
Affiliations:
1Language Production Group Levelt , MPI for Psycholinguistics, Max Planck Society, Nijmegen, NL, ou_55206              
2Department of Psychology, University of Konstanz, Konstanz, Germany, ou_persistent22              
3Cognition and Brain Sciences Unit, Medical Research Council, Cambridge, UK, ou_persistent22              
4Lurija Institute for Rehabilitation and Health Research, Schmieder Rehabilitation Hospital, Allensbach, Germany, ou_persistent22              

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Schlagwörter: Event-related potentials · Aphasia · Language production · Lemma access · Brain plasticity
 Zusammenfassung: A syntactic and a semantic task were per-formed by German-speaking healthy subjects and apha-sics with lesions in the dominant left hemisphere. In both
tasks, pictures of objects were presented that had to be classified by pressing buttons. The classification was into grammatical gender in the syntactic task (masculine or feminine gender?) and into semantic category in the se-
mantic task (man- or nature made?). Behavioral data revealed a significant Group by Task interaction, with
aphasics showing most pronounced problems with syn-
tax. Brain event-related potentials 300–600 ms following picture onset showed different task-dependent laterality
patterns in the two groups. In controls, the syntax task
induced a left-lateralized negative ERP, whereas the semantic task produced more symmetric responses over the hemispheres. The opposite was the case in the patients, where, paradoxically, stronger laterality of physio-logical brain responses emerged in the semantic task than in the syntactic task. We interpret these data based on neuro-psycholinguistic models of word processing and current theories about the roles of the hemispheres in language recovery.

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Sprache(n): eng - English
 Datum: 2000-04-032001-02-022001-07-10
 Publikationsstatus: Online veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1007/s002210100794
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Titel: Experimental Brain Research
  Andere : Exp. Brain Res.
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: Heidelberg : Springer-Verlag
Seiten: - Band / Heft: 140 (1) Artikelnummer: - Start- / Endseite: 77 - 85 Identifikator: ISSN: 0014-4819
CoNE: https://pure.mpg.de/cone/journals/resource/954925398496