恐慌障害を患っている子どもと未成年者の大きなサンプルで,絶滅学習と恐怖の回復
Tabea Flasinski1, Silvia Schneider1, Verena Pflug1
1Mental Health Research and Treatment Center (FBZ), Ruhr University Bochum, Germany, Massenbergstr. 9-13, 44787, Bochum, Germany; German Center for Mental Health (DZPG), Partner Site Bochum-Marburg, Massenbergstr. 9-13, 44787, Bochum, Germany.
Behaviour research and therapy
|September 4, 2025
まとめ
不安障害を持つ子どもは 不安症でない仲間と同じような 恐怖の消し去り学習を示しました これは,以前の研究に反して,不安障害を持つ若者の恐怖の消去学習が妨げられないことを示唆しています.
科学分野:
- 発達心理学
- 臨床心理学
- 神経科学
背景:
- 焦慮障害は若者に多く見られ そのメカニズムを研究する必要がある.
- 絶滅学習は 恐怖の軽減に不可欠ですが 特にCBTのような治療では あまり研究されていません
- 子どもの不安に対する恐怖の解消を理解することは 効果的な治療法の開発に不可欠です
研究 の 目的:
- 不安障害を持つ子供や青少年における恐怖の消滅学習と恐怖の回復を,非不安障害の対照群と比較して調査する.
- 若者の不安障害が 恐怖の解消の欠陥と関連しているかどうかを評価する.
- 恐怖の条件付けと絶滅の間に主観的および精神生理学的測定法を用いて感情的反応性を調べる.
主な方法:
- 274人の参加者 (8歳から16歳) に2日間の恐怖条件付けパラダイムを使用し,そのうち217人は不安障害と57人はコントロールでした.
- 恐怖の獲得,消滅,回復は主観的な報告 (価値,興奮,偶然性) と精神生理学的反応 (衝撃反射) を通じて測定された.
- 恐怖学習と抑制の測定について,不安のある若者と不安のない若者をグループで比較した.
主要な成果:
- 不安を抱いたグループも 不安を抱いていないグループも 恐怖の差異獲得に成功しました
- 恐怖の消去は両方のグループで成功し,脅威を予測する条件付け刺激に対する恐怖の反応は減少した (CS+).
- 不安障害を持つ子供と,不安のないコントロールの間で,恐怖の消去の学習における有意な違いは見つかりませんでした.
結論:
- 過去の発見とは異なり,この研究では不安障害を持つ子供や青少年における恐怖の消去学習の障害は認められませんでした.
- 不安を感じている若者も 不安を感じていない若者も 脅威の予感がなくなったとき 恐怖の反応を抑制することを 効果的に学びました
- 子どもの不安障害における絶滅学習の役割を明確にするために,潜在的に障害特有の刺激を探索するためにさらなる研究が必要です.
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