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在接受认知行为疗法治疗之前和之后,强迫症患者的神经认知表现
Michael G Wheaton1, Eyal Kalanthroff2, Micha Mandel3
1Barnard College, Columbia University, USA; New York State Psychiatric Institute/Columbia Psychiatry, USA.
Journal of behavior therapy and experimental psychiatry
|January 29, 2025
概括
强迫症 (OCD) 患者表现出受损的任务控制,而不是响应抑制,在认知行为疗法 (CBT) 后得到改善. 这表明强迫症的任务控制缺陷取决于状态,并且可能会随着治疗而改善.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 认知心理学 认知心理学
背景情况:
- 强迫症 (OCD) 与神经认知缺陷有关,特别是在反应抑制和任务控制方面.
- 目前尚不清楚这些缺陷是永久性特征还是依赖状态,受症状严重程度的影响.
研究的目的:
- 调查强迫症患者的神经认知缺陷是否在认知行为疗法 (CBT) 后得到改善.
- 在强迫症中区分特征性和状态依赖的神经认知标志物.
主要方法:
- 横截面研究设计比较强迫症患者 (N=26) 和健康对照 (HCs,N=19).
- 在2个月干预之前和之后,使用停止信号任务 (响应抑制) 和对象干扰 (OI) 任务 (任务控制) 的神经认知评估.
- 强迫症患者接受了17次CBT;HCs有2个月的间隔.
主要成果:
- 在OCD患者和HC患者在基线或干预后的停止信号任务执行中没有显著差异.
- 与HCs相比,OCD患者在基线OI任务上的表现有所下降.
- 在CBT之后,强迫症患者的OI任务性能得到改善,解决了最初的缺陷.
结论:
- 强迫症的任务控制缺陷似乎取决于状态,通过CBT减轻症状后会有所改善.
- 改善任务控制可能是CBT对强迫症疗法的有效性背后的神经认知机制.
- 建议使用更大的样本和各种任务进行进一步的研究.
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