Verbal retention deficits in aphasic and amnesic patients. |
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Authors: | L S Cermak J Moreines |
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Affiliation: | 1. Psychology Service, Boston Veterans Administration Hospital, 150 South Huntington Avenue, Boston, Massachusetts 02130 USA;2. Aphasia Research Unit, Neurology Department, Boston University School of Medicine USA |
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Abstract: | Five different groups of patients (aphasics, alcoholic Korsakoffs, nondominant hemisphere patients, alcoholics, and control patients) were asked to detect either repeated letters, repeated words, rhyming words, or words from the same category during the reading of a list. It was discovered that the number of intervening words had a greater effect on the aphasics for all conditions than it did for the other groups. However, when the rate of presentation was slowed, the aphasics showed considerable improvement while the other groups maintained their same level of performance. The Korsakoff patients were impaired only on the semantic task (same category inclusion) and did not improve at the slower presentation rate. An interpretation based on speed and level of information processing abilities is given. |
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Keywords: | Reprint requests should be sent to Laird S. Cermak Psychology Service Boston Veterans Administration Hospital 150 South Huntington Avenue Boston Mass. 02130. |
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