Influence of retention period on retrieving emotional memory : examining for explicit and implicit memory tasks in the elderly

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  • 情動記憶検索に保持期間が及ぼす影響 : 高齢者を対象に顕在記憶指標と潜在記憶指標を用いた検討
  • ジョウドウ　キオク　ケンサクニ　ホゾン　キカン　ガ　オヨボス　エイキョウ　コウレイシャ　ヲ　タイショウ　ニ　ケンザイ　キオク　シヒョウ　ト　センザイ　キオク　シヒョウ　ヲ　モチイタ　ケントウ

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Abstract

Original Article

Emotional events tend to be well remembered compared to non-emotional events in explicit and implicit memory in older adults. This phenomenon, emotion-enhanced memory (EEM), is prolonged in explicit memory; however, it has not yet been clarified in implicit memory. The present study examined the influence of a retention period on emotional enhancement of explicit and implicit memory in older adults. Forty-seven older adults encoded neutral words presented before positive, negative, or neutral pictures. After encoding from 15 minutes and 5 months, participants completed a free recall task and a word-stem completion task in each retrieval phase. In explicit memory, emotional enhancement was revealed in both 15 minutes and 5 months. In implicit memory, however, emotional enhancement was not revealed in either 15 minutes or 5 months. These results suggest that emotional enhancement occurs in only explicit not implicit processes for the long term, supporting arousal-based accounts about emotional enhancement.

Journal

  • 生老病死の行動科学

    生老病死の行動科学 23 37-44, 2019-03-09

    大阪大学大学院人間科学研究科臨床死生学研究室

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