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关联性记忆中与年龄相关的缺陷:策略性检索受损的影响。

Age-related deficits in associative memory: the influence of impaired strategic retrieval.

作者信息

Cohn Melanie, Emrich Stephen M, Moscovitch Morris

机构信息

Department of Psychology, University of Toronto, Toronto, Ontario, Canada.

出版信息

Psychol Aging. 2008 Mar;23(1):93-103. doi: 10.1037/0882-7974.23.1.93.

Abstract

In 2 experiments, the authors investigated whether impaired strategic retrieval processes contribute to the age-related deficit in associative memory. To do so, they compared older and younger adults on measures of associative memory that place high demands on retrieval processes (associative identification and recall-to-reject) to measures that place low demands on such processes (associative reinstatement and recall-to-accept). Results showed that older adults were severely impaired on associative identification and recall-to-reject measures; relatively intact on recall-to-accept measures, unless recollection was prominent; and intact on associative reinstatement measures. Together, these findings suggest that impairment in strategic retrieval accounts for older adults' deficits in memory for associative information and that this deficit, above and beyond poor binding of items, leads to and amplifies an impairment in overall recollection.

摘要

在两项实验中,作者研究了策略性检索过程受损是否会导致与年龄相关的联想记忆缺陷。为此,他们将老年人和年轻人在对检索过程要求较高的联想记忆测量指标(联想识别和回忆-拒绝)上的表现,与对这些过程要求较低的测量指标(联想恢复和回忆-接受)进行了比较。结果表明,老年人在联想识别和回忆-拒绝测量指标上严重受损;在回忆-接受测量指标上相对完好,除非回忆很突出;在联想恢复测量指标上完好无损。总之,这些发现表明,策略性检索受损是老年人联想信息记忆缺陷的原因,并且这种缺陷除了项目绑定不佳之外,还会导致并加剧整体回忆的损伤。

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