Preserved priming but insensitivity to perceptual fluency on recognition judgments in Alzheimer's disease

研究成果: Article査読

6 被引用数 (Scopus)

抄録

Background: Previous research on Alzheimer's disease (AD) has not yielded a consensus regarding the preservation of automatic memory processes, although there is a consensus that conscious recollection processes are impaired in AD. Methods: In the present study, we examined perceptual specificity effects (PSEs) in word recognition judgments (explicit memory task; Experiment 1) and word fragment completion (implicit memory task; Experiment 2) performed by individuals with mild AD and elderly adults without dementia (controls). Results: In recognition judgments, control subjects, but not individuals with AD, demonstrated PSEs (Experiment 1). In contrast, neither group showed PSEs on word fragment completion and their priming magnitudes were comparable (Experiment 2). Conclusions: The findings suggest that perceptually automatic processes in explicit memory judgments and implicit memory processes are different and that the former are specifically impaired in AD.

本文言語English
ページ(範囲)178-187
ページ数10
ジャーナルPsychogeriatrics
8
4
DOI
出版ステータスPublished - 2008

ASJC Scopus subject areas

  • 老年学
  • 老年医学
  • 精神医学および精神衛生

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