コントロール状態の間のより遅い移行は,寿命における認知の柔軟性の低下につながります
bioRxiv : the preprint server for biology
|September 5, 2025
まとめ
高齢者は 認知制御状態間の移行が遅いため 認知の不柔軟性を示します 目標が急激に変化するときに 年齢に起因する減速が 作業のパフォーマンスに影響し 老化における認知のダイナミクスを強調します
科学分野:
- 認知神経科学
- ゲロントロジー
- コンピューター心理学
背景:
- 老化は認知機能の低下に繋がり 日常生活の課題に影響します
- 認知の柔軟性 つまり 精神状態を切り替える能力は 極めて重要ですが 高齢者の場合 あまり理解されていません
- 年齢に伴う認知不柔軟性は,認知制御構成のシフトの困難から生じる可能性があります.
研究 の 目的:
- 老化に関連した認知不柔軟性のダイナミック・システムモデルを調査する.
- 認知制御状態の間の遅い移行が年齢関連の不柔軟性に寄与するかどうかを判断する.
- 高齢者の認知能力の低下の3つの潜在的な原因をテストする. 能力,調整範囲,移行速度.
主な方法:
- 参加者は生涯にわたって 異なるパフォーマンスの目標を持つ 認知的なタスクを実行しました
- 認知制御構成の動的変化を測定するために計算モデルが使用されました.
- 年齢による制御能力,調整範囲,および移行速度の違いが評価されました.
主要な成果:
- 高齢者の認知不柔軟性は,主として対照状態の間の移行が遅かった.
- 年齢は制御能力や制御調整の範囲に有意な影響を及ぼさなかった.
- 目標が頻繁に変わると 遅い変化が見られ 業績が低下します
結論:
- 認知制御状態の移行を遅らせることは,年齢に関連する認知不柔軟性の基礎となる重要なメカニズムです.
- 認知のダイナミクスは特に 移行のスピードは 認知の老化を理解する上で 極めて重要です
- 定常的な能力の低下よりも 動的なプロセスの重要性を強調しています
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