Preservation of orthographic knowledge in aphasia |
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Authors: | Rhonda B. Friedman |
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Affiliation: | Boston University School of Medicine, and Aphasia Research Center, Boston V.A. Medical Center USA |
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Abstract: | A simple untimed lexical decision task was designed to test implicit letter recognition in aphasic patients. Half of the nonwords used in this task were orthographically regular pronounceable pseudowords, and half were orthographically irregular unpronounceable letter strings. Twenty-five randomly chosen aphasic patients with mild to severe degrees of aphasia participated in the study. Although only six of the patients performed the lexical decision task successfully, all 25 demonstrated the ability to distinguish orthographically regular from irregular letter strings and, by implication, the ability to recognize and make use of the identities of written letters. |
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Keywords: | Please address reprint requests to: Dr. Rhonda B. Friedman Psychology Service (116B) Veterans Administration Medical Center 150 S. Huntington Avenue Boston MA 02130. |
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