不安症状は,青少年におけるリスクを負うアプローチの動機と相互作用する
Amanda E Baker1, Namita Tanya Padgaonkar2, Isabel Enriquez3
1Department of Psychology, https://ror.org/046rm7j60University of California Los Angeles, Los Angeles, CA, USA.
Development and psychopathology
|February 23, 2026
まとめ
青春期の不安は,アプローチの動機に基づいて異なる形で表れます. 高いモチベーションはリスクを負うことにつながり,低いモチベーションは避けることにつながり,脳の機能に影響を及ぼします.
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
- 青少年心理健康について
背景:
- 青春期は脳の発達にとって重要な時期であり,不安や動機づけの増大が特徴です.
- 不安は典型的には回避を促しますが,アプローチモチベーション (行動活性化システム; BAS) との相互作用は,青少年の行動と神経応答を変化させる可能性があります.
- これらの相互作用を理解することは,思春期の不安における発達経路と治療結果に対処するために不可欠です.
研究 の 目的:
- アプローチモチベーション (BAS) が不安と相互作用して,青年の行動と脳の機能にどのように影響を与えるかを調査する.
- 意思決定と休息中のリスクの引き受け,神経活動,および接続性に対する不安とBASの共同効果を調べる.
- 動機付けシステムによって調節される青少年の不安の根底にある神経機構を特定する.
主な方法:
- 不安とモチベーションに関する研究のために121人の青少年 (9-13歳) を募集しました.
- 意思決定のタスクと休息状態の機能磁気共鳴画像 (fMRI) を管理しました.
- 行動と脳の測定における不安とBASの相互作用を評価するための次元分析を実施しました.
主要な成果:
- 低BASでは不安がリスク回避を予測したが,高BASではリスクと衝動性を予測した.
- 不安とBASは,リスクを負うタスク中にストライアタムとアミグダラで相互作用しました.
- 高いBASは,より強い本来の前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭後頭前頭前頭前頭前頭前頭前頭後頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭後頭前頭前頭前頭前頭前頭前頭前頭前頭前頭後頭前頭前頭前頭前頭前頭前頭後頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭前頭後頭後
結論:
- 思春期の不安の行動的および神経的表れは,アプローチモチベーション (BAS) によって著しく影響を受けます.
- 報酬に関連するシステムは,十代の不安の表現において重要な役割を果たします.
- 発見は,青少年の不安治療における発達と動機付けの要因を考慮する個別化された介入の必要性を支持しています.
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