性格と加速されたエピジェネティック老化に対する認知的レジリエンス
Yannick Stephan1, Angelina R Sutin2, Martina Luchetti2
1Euromov, Univ. Montpellier, Montpellier, France.
Journal of psychiatric research
|February 25, 2026
まとめ
誠実性や開放性などの性格特性は、加速されたエピジェネティック老化に対する認知的レジリエンスを促進しますが、神経症傾向はレジリエンスの低下と関連しています。これは性格を強調しています
科学分野:
- 老年医学と認知神経科学
- エピジェネティクスと老化研究
背景:
- 性格特性は、認知症の神経病理学に対する認知的レジリエンスと関連しています。
- 加速されたエピジェネティック老化は、生物学的老化と認知機能低下のマーカーです。
研究 の 目的:
- 性格特性と加速されたエピジェネティック老化に対する認知的レジリエンスとの関連を調査すること。
- 性格が生物学的老化マーカーに対する相対的な認知機能に影響を与えるかどうかを判断すること。
主な方法:
- 健康と退職に関する調査(HRS)から2926人の成人(50〜98歳)のデータを利用しました。
- 性格、認知、およびエピジェネティック老化(GrimAge、DunedinPoAM38)を評価しました。
- 認知的レジリエンスを、エピジェネティック老化測定値に認知を回帰させた残差として定義しました。
主要な成果:
- 高い神経症傾向は、エピジェネティック年齢と比較して、予想よりも悪い認知機能と相関していました。
- 高い誠実性と開放性は、予想よりも良い認知機能と関連していました。
- 神経症傾向は低い認知的レジリエンスを予測しましたが、誠実性と開放性は高いレジリエンスを予測しました。
結論:
- 性格特性は、加速されたエピジェネティック老化に対する認知的レジリエンスと有意に関連しています。
- これらの関連は、様々な健康およびライフスタイル要因を考慮した後も持続します。
- 調査結果は、神経病理学を超えて、全身の老化の影響に対するレジリエンス研究を拡張します。
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