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Functional categories related to verb inflection are not differentially impaired in Greek aphasia

Published online by Cambridge University Press:  07 January 2015

ATHANASSIOS PROTOPAPAS
Affiliation:
Department of Philosophy & History of Science, University of Athens, Greece
SPYRIDOULA CHEIMARIOU
Affiliation:
Graduate Program in Basic and Applied Cognitive Science, University of Athens, Greece
ALEXANDRA ECONOMOU
Affiliation:
Department of Psychology, University of Athens, Greece
MARIA KAKAVOULIA
Affiliation:
Department of Media, Communication, and Culture, Panteion University, Athens, Greece
SPYRIDOULA VARLOKOSTA
Affiliation:
Department of Linguistics, Faculty of Philology, University of Athens, Greece
Corresponding
E-mail address:

Abstract

Previous research in Greek aphasia has indicated that functional categories related to verb inflection are differentially impacted, with Aspect most severely affected, Agreement least affected, and Tense occupying an intermediate position. However, research materials were not controlled for overall length or position of the verb within the sentence, confounding functional category with processing load. Using balanced materials, here we tested ten persons with aphasia and ten matched control participants on grammaticality judgment and sentence completion in three functional categories (agreement, tense, and aspect) using ten verbs spanning a range of familiarity. Production results indicated no difference in errors of either lexeme or inflectional morpheme selection. In grammaticality judgment acceptance of incorrect sentences was lower for Agreement but this pattern was mirrored in the control group as well. The results provide no basis to support a specific linguistic deficit in the representation of functional categories in Greek persons with aphasia.

Type
Research Article
Copyright
Copyright © UK Cognitive Linguistics Association 2015 

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