エグゼクティブ・コントロールによって,望ましくない記憶を抑制する.
1Department of Psychology, University of Oregon, Eugene 97403-1227, USA. mcanders@darkwing.uoregon.edu
Nature
|March 27, 2001
まとめ
この研究は,実行管理メカニズムを使用して望ましくない記憶を積極的に抑制することで,長期的な忘却につながる可能性があることを示しています. メモリリコールを回避するこの認知的行為は,抑圧の潜在的なモデルを提供します.
科学分野:
- 認知心理学とは,認知心理学である.
- 神経科学は神経科学である.
- 記憶の研究 記憶の研究
背景:
- 不快な記憶の無意識の忘却である抑圧は,依然として議論の余地がある.
- 抑圧を研究するのは,トラウマと実験的な限界とのつながりがあるため困難です.
研究 の 目的:
- エグゼクティブ・コントロール・プロセスは,意図的に望ましくない記憶を忘れるために使用できるかどうかを調査する.
- 記憶を積極的に抑えるという行為の長期的結果を判断する.
主な方法:
- 参加者には,ヒントが提示されたときに,望ましくない記憶が意識に入ることを防ぐよう指示された.
- 記憶と注意に関する行動的および神経生物学的研究は,実験の設計にインパクトを与えた.
- 記憶の回復は,繰り返し抑制を試みた後に評価された.
主要な成果:
- 望ましくない記憶を一貫して抑圧すると,後の記憶が著しく損なわれる.
- 忘却の程度は,記憶回避の頻度とともに増加した.
- 抑制効果は,正確なリコールのためのインセンティブにもかかわらず,持続しました.
結論:
- エグゼクティブ・コントロール・プロセスは,望ましくない宣言記憶を積極的に抑制するために採用することができます.
- この活性忘却メカニズムは,弾圧のための実行可能で,経験的に支持されたモデルを提供します.
- 研究結果は,抑圧はトラウマにのみ関連するものではなく,認知制御メカニズムを通じて研究することができることを示唆している.
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