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若年および高齢者における視空間注意:一連のコンピューターベースのタスクでのパフォーマンスの比較
Ioanna Giannakou1, Jason Mallabone1, Mariah Joseph1
1School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom.
Acta psychologica
|January 28, 2026
まとめ
高齢者は視覚的注意の反応時間が遅いが精度は同等であり、若者は左向きバイアスを示す。タスクの複雑さは高齢者のパフォーマンスに不釣り合いに影響する。
科学分野:
- 認知心理学
- 神経科学
- ヒューマンファクター
背景:
- 加齢は、視覚的注意を含む認知機能に大きく影響します。
- 年齢に関連する視覚的注意の変化を理解することは、さまざまなアプリケーションにとって重要です。
研究 の 目的:
- コンピューターベースのタスクを使用した視覚的注意に対する加齢の影響を調査すること。
- 若者と高齢者の視覚的注意パフォーマンスを比較すること。
主な方法:
- 横断的観察研究デザインを採用しました。
- 空間バイアスに敏感な4つのコンピューターベースのタスクのバッテリーを利用しました。
- 125人の参加者(若者51人、高齢者74人)の反応時間(ミリ秒)と精度(%)でパフォーマンスを評価しました。
主要な成果:
- 高齢者はすべてのタスクで有意に遅い反応時間を示しました。
- 精度は年齢グループ間で同等であり、高齢者は特徴視覚探索タスクに優れていました。
- 若者はより顕著な左向きバイアス(偽のネグレクト)を示しました。
- タスクの要求が高まると、高齢者により影響がありました。
結論:
- コンピューターベースの評価は、健常者における年齢関連の視覚的注意の違いを特定するために敏感で実行可能です。
- 調査結果は、年齢関連の視覚的注意の変化に関する洞察を提供し、将来の臨床研究に情報を提供します。
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