A study of language functioning in Alzheimer patients |
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Authors: | Julian Appell Andrew Kertesz Michael Fisman |
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Institution: | London Psychiatric Hospital, London, Ontario, Canada;St. Joseph''s Hospital, London, Ontario, Canada;London Psychiatric Hospital, London, Ontario, Canada |
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Abstract: | Language functioning in Alzheimer's disease is reviewed and the performance of 25 Alzheimer patients on a standard battery is reported. All these hospitalized patients were aphasic to some degree. As a group, they differed from normals on all language variables, and from stroke patients in terms of higher fluency and lower comprehension. Spontaneous speech showed high incidence of circumlocutions and semantic jargon, but no phonemic paraphasias or target approximations. Syllabic perseverations, shouting, inappropriate laughter, and mutism were late-appearing features. Transcortical Sensory, and Wernicke's aphasias were frequent, but Broca's and Transcortical Motor aphasias notably absent. Extent of language impairment correlated with current length of hospitalization but not age. Reading, writing, and performance scores except praxis, were lower than oral language scores. Findings were discussed in relation to previous results, methodology, and language organization in the brain. |
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Keywords: | Address correspondence to: Laurence B Leonard Audiology and Speech Sciences Heavilon Hall Purdue University West Lafayette IN 47907 |
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