Verb Retrieval in Aphasia. 1. Characterizing Single Word Impairments

摘要: The ability of aphasic patients to produce words from the grammatical classes nouns and verbs was investigated in tasks that elicited these types isolation. Eleven chronic produced picture naming, videotaped scene sentence completion, naming definition, oral reading. Comprehension meanings tested word/picture word/video matching, appreciation noun/verb class differences with two metalinguistic tasks. Five demonstrated significantly more difficulty producing than nouns, were impaired verbs, remaining four showed no difference between classes. There improvement verb production when actions presented on videotape, suggesting selective impairments are not attributable conceptual identifying static pictures. Selective noun occurred context severe anomia, as reported previous studies. for both agrammatic fluent (Wernicke) patients, indicating such deficits necessarily associated nonfluent morphologically impoverished is characteristic agrammatism. indication single word comprehension affected a manner consonant their impairments. Results interpreted light current models lexical organization processing.