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Measuring Attentional Biases for Threat in Children and Adults
Published on: October 19, 2014
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青年の不安障害に対する認知行動療法強化のためのゲーミー化された注意バイアス修正トレーニング:ランダム化制御試験
Meghan E Byrne1, Simone Haller1, Julia O Linke2
1National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland.
まとめ
認知行動療法 (CBT) に注意バイアス修飾訓練 (ABMT) を加えても,若者における不安症状の軽減は改善されなかった. 焦慮の治療のための効果的な注意バイアス修正戦略を見つけるにはさらなる研究が必要です.
科学分野:
- 神経科学
- 精神科
- 臨床心理学
背景:
- 認知行動療法 (CBT) は,若者の不安障害に対する一般的な治療法です.
- 注意バイアス改変訓練 (ABMT) は,不安に関係する認知プロセスをターゲットにします.
- CBTをABMTで増強する神経メカニズムは不明である.
研究 の 目的:
- アクティブ・ゲーミファイド・アテンション・バイアス・モディフィケーション・トレーニング (ABMT) が,不安障害を持つ若者における認知行動療法 (CBT) の有効性を高めるかどうかを調査する.
- 治療結果に関連した神経相関性,特に桃体の接続性を調べる.
主な方法:
- 事前に登録された,ダブルブラインド,ランダム化制御試験は,不安障害と診断された121人の小児患者 (8~17歳) で実施されました.
- 参加者は12週間のマニュアル化CBTを受け,アクティブまたはファームゲーミー化されたABMTにランダム化されました.
- 主なアウトカムには,小児不安評価スケール (PARS) と臨床全般印象改善スケール (CGI- I) が含まれていた. fMRIを用いて桃体の接続性を評価した.
主要な成果:
- アクティブ・グループとフィクション・グループの両方で,不安症状の有意な減少が見られた (PARSスコアは有意に減少した).
- 主要アウトカム指標では,アクティブなABMTと偽薬群の間の臨床有効性の有意な差は認められなかった.
- アミグダラの接続性は調べられたが,健康な対照群では信頼性が疑わしい.しかし,左アミグダラの接続性が弱くなり,治療後の不安が低かった.
結論:
- 青年の不安に対するCBTの有効性を高めるという仮説は支持されなかった.
- これらの発見は,現在の注意偏差修正戦略が,この集団におけるCBT応答の改善に最適ではないことを示唆しています.
- 将来の研究は,代替のABMTアプローチを探求し,fMRIベースの注意のタスクの信頼性を向上させることに焦点を当てるべきです.
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