Aphasia in Turkish: speech production in Broca's and Wernicke's patients.
Turkish speech production was studied in 7 Broca's and 10 Wernicke's aphasics. Turkish is an agglutinative language, with few free-standing closed-class morphemes. The speech of Broca's patients was not telegraphic; although nonfluent, noun and verb suffixes were used appropriately. The speech of Wernicke's aphasics was fluent, using a wide range of often inappropriate forms. Both groups used appropriate nominal morphology. Broca's patients used a limited set of verb forms in contextually appropriate fashion. Wernicke's patients used a wide range of verb forms, all morphosyntactically correct, but often semantically anomalous. Both groups retained canonical subject-object-verb word order and controlled various types of pragmatically appropriate word order variation. It is proposed that aphasic speech patterns reflect retrieval problems rather than impairment of a portion of the language system.
Department of Psychology, University of California, Berkeley 94720.
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D000328:Adult; D001039:Aphasia, Broca / Q000175:diagnosis / Q000503:physiopathology*; D001041:Aphasia, Wernicke / Q000175:diagnosis / Q000503:physiopathology*; D003431:Cross-Cultural Comparison; D004292:Dominance, Cerebral / Q000502:physiology; D005260:Female; D006801:Humans; D007802:Language; D008297:Male; D009483:Neuropsychological Tests; D011578:Psycholinguistics; D013068:Speech Production Measurement; D014421:Turkey