Verbal Fluency in Aphasia and Right Hemisphere Brain damage: Qualitative Analysis Yields Relationship to General Cognitive Factors

Mayer, Jamie and Murray, Laura and Ikuta, Toshikazu and Rey, Olga and Kean, Jacob (2005) Verbal Fluency in Aphasia and Right Hemisphere Brain damage: Qualitative Analysis Yields Relationship to General Cognitive Factors. [Clinical Aphasiology Paper]

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Abstract

Adults with aphasia, right hemisphere damage or no brain damage completed a verbal fluency task alone and in a dual-task paradigm. The purpose of this study was to specify further relationships between domain-specific (i.e., word-finding, fluency) and domain-general skills (i.e., attention, working memory, cognitive flexibility) by examining not only accuracy, but also the nature of subjects’ responses (e.g., word frequency, category prototypicality) within and across fluency task conditions. Preliminary analyses demonstrated significant qualitative and quantitative differences across groups, conditions, and time. Results are examined with respect to theoretical and clinical implications for adults with aphasia or right-hemisphere brain damage.

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