統合失調症患者におけるエピソード的未来思考介入の効果と神経相関
Jia-Li Liu1, Jun-Yan Ye1, Tian-Xiao Yang1
1Neuropsychology and Applied Cognitive Neuroscience Laboratory, CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing, China.
Neuropsychologia
|February 2, 2026
まとめ
統合失調症患者は、ベスト・ポッシブル・セルフ介入によりエピソード的未来思考(EFT)が改善しました。この治療法は、目標指向の想像力を高め、脳の接続性を変化させ、新たな治療の可能性を示唆しています。
科学分野:
- 神経科学
- 精神医学
- 認知心理学
背景:
- エピソード的未来思考(EFT)は目標追求に不可欠ですが、統合失調症では損なわれます。
- 個人的目標はEFTと関連していますが、統合失調症介入におけるそれらの役割は十分に研究されていません。
- 統合失調症におけるEFT改善の神経基盤は、さらなる調査が必要です。
研究 の 目的:
- 統合失調症患者のEFTを改善するためのベスト・ポッシブル・セルフベースの未来特異性(BPSFS)介入の有効性を調査すること。
- EFTの改善における個人的目標の役割を探求すること。
- BPSFS介入効果に関連する神経メカニズム、特にデフォルトモードネットワークの機能的接続性を調べること。
主な方法:
- 60人の統合失調症患者を、BPSFS介入群(n=29)または対照群(n=31)に無作為に割り付けました。
- 介入群は4週間にわたり8回のBPSFSトレーニングを受けました。対照群は心理教育を受けました。
- 介入前後に、EFTタスク、未来の目標流暢性、安静時fMRIの評価が含まれました。
主要な成果:
- BPSFS介入は、統合失調症患者のEFT特異性を著しく向上させました。
- 未来の目標流暢性の改善は、EFTに対するBPSFSの効果を部分的に媒介しました。
- 介入群では、側頭頭頂接合部と前頭極間の機能的接続性が増加し、EFT特異性の向上と相関していました。
結論:
- BPSFS介入は、統合失調症患者のエピソード的未来思考能力を向上させるのに効果的です。
- 個人的目標、特に未来の目標流暢性は、EFT改善において媒介的な役割を果たします。
- 側頭頭頂接合部における機能的接続性の向上は、BPSFS介入後のEFT改善の鍵となる神経メカニズムを表している可能性があります。
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