加齢と外的身体表象との相互作用における内受容性予測因子
Maria Rosaria Pasciucco1, Francesco Bubbico1, Scila Nunziata2
1Department of Neuroscience, Imaging and Clinical Sciences, "G. d'Annunzio" University of Chieti and Pescara, Chieti, Italy.
Frontiers in psychology
|February 23, 2026
まとめ
加齢は、身体内部の状態(内受容感覚)を感じる能力と、身体外部の認識(外的身体表象)の低下を通じて、日常生活機能に影響を与える。内受容感覚の感受性と身体表象は、高齢者の機能的制限の重要な予測因子である。
科学分野:
- 老年学および神経科学
- 加齢の心理学
- 人体知覚
背景:
- 加齢は、認知と日常生活に影響を与える身体機能の低下と関連しています。
- 内受容感覚(内部状態の感知)と外的身体表象は機能に不可欠ですが、加齢におけるそれらの共同の影響は十分に研究されていません。
- 内部および外部の身体処理領域が、高齢者の日常生活機能に影響を与える上でどのように相互作用するかについての研究は限られています。
研究 の 目的:
- 内受容状態、多感覚知覚、外的身体表象のための包括的なテストバッテリーを開発すること。
- 早期の内受容感覚の変化が加齢に伴う機能低下を予測するかどうかを調査すること。
- 機能的転帰を予測する上での内受容感覚、多感覚知覚、身体表象間の潜在的な相互作用を探求すること。
主な方法:
- 多峰性バッテリーを使用して60人の健康な成人(21〜87歳)をテストしました。
- 内受容感覚の精度、感受性、意識、ボディイメージ、近接空間、触覚の鋭敏さ、および感覚運動機能を評価しました。
- 部分最小二乗回帰を使用して、日常生活機能(SF-36健康調査)の予測因子を特定しました。
主要な成果:
- 内受容感覚(自己調整、身体への信頼)は、身体的健康、感情的幸福、疲労の制限を著しく予測しました。
- 平均心拍数も疲労感と関連していました。
- 外的身体表象(ボディイメージ、近接空間)は、日常生活機能の予測において内受容感覚と相互作用しました。
結論:
- 内受容感覚の感受性は、加齢に伴う身体的および感情的幸福、および疲労に影響を与える重要な要因です。
- 内部の身体感覚と外部の身体表象との間の相互作用は、日常生活機能に著しく影響します。
- 本研究の結果は、身体処理の欠陥に対処することにより、高齢者の自律性と生活の質を高めるためのターゲット評価と介入の開発を支持しています。
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