Short-term memory and aphasia. |
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Authors: | M L Albert |
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Affiliation: | 1. Aranne Laboratory for Human Psychophysiology, Department of Neurology, Hadassah University Hospital, Jerusalem, Israel;2. the Aphasia Research Center, Department of Neurology, Boston University Medical School and Boston VA Hospital, Boston, Massachusetts, 02130. USA |
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Abstract: | Short-term retention tests of verbal item information (short-term memory for items) and order information (memory for sequences) were administered to aphasic, nonaphasic brain-damaged, and normal subjects. Memory for both parameters was significantly impaired in aphasics only. One-third of errors made by aphasics resulted from a specific, separable defect in short-term memory for sequences. As information load increased, memory for sequences became critical for linguistic performance of aphasics. |
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