Centre for Policy on Ageing
 

 
Metalinguistic judgments in normal aging and Alzheimer's disease
Author(s)Susan Kemper
Journal titleThe Journals of Gerontology Series B: Psychological sciences and social sciences, vol 52B, no 3, May 1997
Pagespp P147-P155
KeywordsCognitive processes ; Mental ageing ; Dementia ; Comparison ; United States of America.
AnnotationThis study compared sentence acceptability judgements from young and healthy older adults and older adults with dementia due to probable Alzheimer's disease (AD). Two types of sentences were contrasted: one type involved contrasts among verb alternations in which semantic distinctions between verbs regulate the acceptability of phrase structure variations; the second type involved contrasts among directional transformations in which constraints on the movement of noun phrases determine the linear order of main and embedded clauses. The main findings were that metalinguistic judgements by healthy older adults as well as those with probable AD reflected processing demands on working memory. In addition, metalinguistic judgements by adults with probable AD reflected the breakdown of semantic information about verbs. (RH).
Accession NumberCPA-971125251 A
ClassmarkDA: D6: EA: 48: 7T

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