Category and attribute knowledge deterioration in Alzheimer's disease

被引:28
作者
Cox, DM
Bayles, KA
Trosset, MW
机构
[1] UNIV ARIZONA, DEPT SPEECH & HEARING SCI, TUCSON, AZ 85721 USA
[2] UNIV MARYLAND, SCH MED, DEPT NEUROL & REHABIL, BALTIMORE, MD 21201 USA
关键词
D O I
10.1006/brln.1996.0028
中图分类号
R36 [病理学]; R76 [耳鼻咽喉科学];
学科分类号
100104 ; 100213 ;
摘要
A prevalent theory regarding the deterioration of semantic memory in Alzheimer's disease is that it is a bottom-up process. If this is true, performance on tests of attribute knowledge should decline more rapidly than performance on tests of categorical knowledge as dementia severity increases. In the present study, a convincing pattern of findings to either support or reject the theory failed to emerge. This raised questions regarding the ability to separate attribute and categorical knowledge, and whether one can be tested without influence of the other. Questions also were raised regarding the additional cognitive processes needed to complete tasks of semantic memory. (C) 1996 Academic press, Inc.
引用
收藏
页码:536 / 550
页数:15
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