競争する認知的圧力は,搾取とのトレードオフの欠如で,人間の探検にかかる
Clémence Alméras1,2, Valerian Chambon3,4, Valentin Wyart5,6
1Laboratoire de Neurosciences Cognitives et Computationnelles, Institut National de la Santé et de la Recherche Médicale (Inserm), Paris, France. clemence.almeras@gmail.com.
Nature communications
|February 12, 2026
まとめ
人間の探検は,新しい環境で情報を探求することを意味します. この研究は,最も不確実な選択を探る前に,個人に最初のサンプルオプションを繰り返し示し,報酬の最大化から情報探求を分離して,明確な探索パターンを明らかにします.
科学分野:
- コグニティブ・サイエンス コグニティブ・サイエンス
- 神経科学は神経科学である.
- 意思決定科学 意思決定科学
背景:
- 連続的なサンプリングは,不確実性下での意思決定に不可欠です.
- 既存の探検・搾取のパラダイムは,探検と報酬のトレードオフを混同している.
研究 の 目的:
- 新しい連続サンプリングタスクで人間の探検パターンを調査する.
- 報酬のトレードオフを取り除き,探査と搾取を区別する.
主な方法:
- 探索のトレードオフを採掘と採掘なしで比較するために,連続的なサンプリングタスクが設計されました.
- 選択行動を調べるために,モデルベースの分析が使用されました.
- 人間参加者は,探査戦略に関するデータを収集する作業に従事した.
主要な成果:
- 探索パターンは,情報探求が報酬探求から独立しているときに特定されました.
- 参加者は当初,新しいオプションの繰り返しサンプリングに従事していました.
- その後,選択肢は,最も不確実な選択肢に導かれました.
結論:
- 人間の情報探求は,競合する認知圧力によって影響を受けます.
- 局所的な不確実性の最小化 (繰り返しサンプリング) は,グローバル不確実性の最小化 (直接サンプリング) に先行する.
- この研究は,意思決定における探査ダイナミクスのより明確な理解を提供します.
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