多因子因果フレームワークによる個別化された青年期メンタルヘルスモデリングと潜在的な介入戦略の特定
Jiadong Yan1,2, Bin Wan3,4,5, Paule Joanne Toussaint1
1Montreal Neurological Institute, McGill University, Montreal, Canada.
bioRxiv : the preprint server for biology
|January 7, 2026
まとめ
青年期のメンタルヘルスは複雑で、脳、環境、行動の影響を受ける。本研究では、認知、性格、精神病理学間の因果関係を特定し、若者のメンタルヘルスにおける個別化された介入のターゲットを明らかにした。
科学分野:
- 神経科学
- 発達心理学
- 精神医学
背景:
- 青年期は、生物学的および環境的要因の収束によって影響を受ける、精神障害発症の重要な時期です。
- 脳の発達、認知、性格、精神病理学間の相互作用を理解することは、メンタルヘルスにとって不可欠です。
- 既存の研究は、青年期のメンタルヘルスの異質性に関するシステムレベルの視点が欠けていることがよくあります。
研究 の 目的:
- 青年期のメンタルヘルスに関する多因子因果フレームワークを提案し、テストすること。
- 認知および性格と精神病理学を結びつける因果経路を調査すること。
- 青年期の個別化されたメンタルヘルス介入の潜在的なターゲットを特定すること。
主な方法:
- Adolescent Brain Cognitive Development (ABCD) データセット (N=4,501) を利用しました。
- 横断的多元的媒介分析および縦断的相互作用包含分析を採用しました。
- 認知/性格特性とメンタルヘルス症状を結びつける165の行動ペアを分析しました。
主要な成果:
- 脳および環境要因によって主に駆動される68の有意な因果経路を特定しました。
- 思春期要因は、これらの経路への直接的な関与が限定的でした。
- >50%の予測応答率を持つ23の潜在的な介入ターゲットを発見しました。
結論:
- 多因子的な青年期メンタルヘルスを理解するための包括的なフレームワークを開発しました。
- 認知および性格特性から精神病理学への特定の因果関係を明確にしました。
- 若者のメンタルヘルス問題に対する個別化された介入戦略の開発の基礎を提供しました。
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