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Principal component analysis of language performances in Alzheimer's disease

This report analyzes the performances of a group of 104 mildly to moderately impaired probable Alzheimer's disease patients (Mini Mental Examination 10 to 23) on linguistic tasks exploring written and oral language. A principal component analysis showed a two-factor solution including 14 out of...

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Published in:	Journal of communication disorders 1993-04, Vol.26 (1), p.53-63
Main Authors:	Marcie, Pierre, Roudier, Michel, Goldblum, Marie-Claire, Boller, François
Format:	Article
Language:	English
Subjects:	Adult and adolescent clinical studies Aged Alzheimer Disease - complications Alzheimer Disease - diagnosis Biological and medical sciences Female Humans Intellectual deficiency Language Language Disorders - complications Language Tests Male Medical sciences Middle Aged Psychiatric Status Rating Scales Psychology. Psychoanalysis. Psychiatry Psychopathology. Psychiatry Reading Speech Verbal Behavior Writing
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container_title	Journal of communication disorders
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creator	Marcie, Pierre Roudier, Michel Goldblum, Marie-Claire Boller, François
description	This report analyzes the performances of a group of 104 mildly to moderately impaired probable Alzheimer's disease patients (Mini Mental Examination 10 to 23) on linguistic tasks exploring written and oral language. A principal component analysis showed a two-factor solution including 14 out of the 15 linguistic tasks. Each factor is characterized by a type of operation required to process language material: “operativeness factor,” where verbal material receives a transformation; “transcoding factor,” where verbal material is processed without any structural modification. Oral verbal repetition remained isolated from the solution.
doi_str_mv	10.1016/0021-9924(93)90015-3
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source	Elsevier SD Backfile Psychology; Elsevier SD Backfile Social Sciences; Linguistics and Language Behavior Abstracts (LLBA)
subjects	Adult and adolescent clinical studies Aged Alzheimer Disease - complications Alzheimer Disease - diagnosis Biological and medical sciences Female Humans Intellectual deficiency Language Language Disorders - complications Language Tests Male Medical sciences Middle Aged Psychiatric Status Rating Scales Psychology. Psychoanalysis. Psychiatry Psychopathology. Psychiatry Reading Speech Verbal Behavior Writing
title	Principal component analysis of language performances in Alzheimer's disease
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