メモリ圧力下での持続再生: 持続エンコーディングと再生における視覚記憶セットサイズの役割をモデリングする
Xuelian Zang1, Jiao Wu2, Xiuna Zhu3
1Department of Neurology, Center for Cognition and Brain Disorders, Affiliated Hospital of Hangzhou Normal University, 310015, China; Institute of Psychological Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; General and Experimental Psychology, Department of Psychology, LMU, Munich 80802, Germany.
Cognition
|February 15, 2026
まとめ
視覚的な作業記憶からの認知負荷は,時間認識に影響します. コーディング中のメモリ要求の増加は,持続時間推定を短縮し,再現中の要求は,それを延長し,タスクの段階に基づいて時間の知覚に異なった影響を及ぼします.
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.
- 人間の知覚 人間の知覚
背景:
- 持続時間推定は,中心的な傾向のバイアスを表しており,しばしば感覚データと期待を統合することに結びついています.
- このバイアスに対する同時に発生する認知的要求,特に作業記憶の影響は十分に理解されていません.
研究 の 目的:
- 視覚的な作業記憶の負荷が持続時間推定バイアスにどのように影響するかを調査する.
- 作業メモリのインパクトが,エンコーディングと再現の段階で適用されたときに異なるかどうかを判断する.
主な方法:
- 持続時間再現タスクを使用して5つの実験が行われました.
- 参加者は,エンコーディング,再現,または両方中に視覚作業メモリで異なるセットサイズ (1,3,または5色) を保持しました.
- 注意を共有する階層的なベイジアンモデルは,バイアスと精度への影響を分析するために使用されました.
主要な成果:
- コーディング中に作業メモリ負荷を増やすことで,再現が短縮され,中央傾向バイアスが増幅されました.
- 繁殖中に作業記憶の負荷を増加させることで,再現は長くなりましたが,中央傾向バイアスは変化しませんでした.
- ベイジアンモデルは,メモリ負荷が不確実性と事前の情報への依存を増加させる重要な段階としてエンコーディングを示した.
結論:
- 作業記憶は,特定のタスクフェーズ (エンコーディング vs. 複製) に基づいて期間推定を微分的に調節することを要求します.
- これらの発見は,マグニチュード知覚に対する認知負荷のステージ固有の干渉効果を示唆しています.
- この研究は,注意を共有するメカニズムがこれらの効果をどのように媒介するかを計算的に説明しています.
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