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青春期前期における背側連結経路の発達の偏差は,同時および将来の認知機能とトランス診断的精神病理学と関連しています
Danni Wang1, Christopher J Hammond2, Betty Jo Salmeron1
1Neuroimaging Research Branch, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland, USA.
Nature communications
|February 19, 2026
まとめ
青春期の白質の発達は精神疾患を予測する. 特定の領域における脳の発達遅延は,将来の精神健康リスクと認知能力に関連しています.
科学分野:
- 神経科学は神経科学である.
- 発達心理学の心理学について
- 精神科医は精神病を患っている.
背景:
- 精神疾患は,脳の白質 (WM) の発達にとって重要な時期である青春期にしばしば現れる.
- 思春期の精神病理学における非典型的なWM発達の正確な役割は,まだ完全に理解されていません.
研究 の 目的:
- 大規模な発達データセットから白質の経路を用いて,脳年齢の規範的なモデルを開発する.
- 白質の発達における偏差と認知機能と精神病理学の関連性を調査する.
主な方法:
- 3つの大規模な発達データセット (約10,000人の被験者) を利用して,特定の白質の経路に基づいた脳年齢の規範モデルを作成しました.
- アソシエーションおよびリンビック/亜皮質系内の白質の発達における経路特有の偏差を分析した.
- 2年間の追跡調査で精神疾患の背面関連経路における遅れた脳年齢の予測力を調べました.
主要な成果:
- ホワイトマターの発達における経路特異的偏差は,同時および将来の認知機能と精神病理学と有意に関連していました.
- アソシエーションシステムの白質発達の空間的分布は,高次元の脳ネットワークとミトコンドリアマップと相関していた.
- 遅れた脳年齢,特に背部の関連経路は,診断と発症の間で精神疾患の重要な予測因子として浮上しました.
結論:
- 青春期前期の経路特異的な白質の発達は,認知能力と精神疾患のリスクを予測する役割を果たします.
- この研究は,個々の脳の発達をモニタリングし,認知とトランス診断心理病学の神経生物学的な基礎を解明するための枠組みを提供します.
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