成人における期待の変化は視覚的知覚的意思決定プロセスの複数のステップに影響を与える
Julien Audiffren1, Jean-Luc Bloechle1, Jean-Pierre Bresciani1
1CopeLAB, University of Fribourg, Fribourg, Switzerland.
Physiological reports
|January 30, 2026
まとめ
観察者の期待は、特に運動応答と指示処理において、知覚的意思決定に大きな影響を与えます。これは、期待効果を意思決定モジュールのみに起因とするモデルに異議を唱えます。
科学分野:
- 認知神経科学
- 心理学
- 計算神経科学
背景:
- 知覚的意思決定モデルは、しばしば認知プロセスを逐次的なステップに分解します。
- 期待がこれらのステップ、特に眼球運動と反応時間(RT)にどのように影響するかを理解することは重要です。
- 以前の研究では、期待効果は意思決定段階にのみ起因するとしばしば考えられてきました。
主な方法:
- 24人の参加者による2つの実験が実施され、場所(左/右)と眼球運動(サッケード/アンチサッケード)の期待が操作されました。
- 眼球運動の反応時間(RT)が測定されました。
- 期待が異なる処理段階に及ぼす影響を評価するために統計分析が実行されました。
結論:
- 期待は、知覚的意思決定の運動応答および指示処理段階に強く影響します。
- 発見は、期待効果が意思決定モジュールだけに限定されないことを示唆しています。
- 包括的な知覚的意思決定モデルには、マルチモジュール統合アプローチが不可欠です。
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