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改变了错误监测和降低了儿科强迫症障碍的侧边任务准确性
Gregory L Hanna1, Yanni Liu2, Lauren G Rentschler2
1Department of Psychiatry, University of Michigan, 4250 Plymouth Road, Ann Arbor, MI, 48109-5766, USA. ghanna@med.umich.edu.
Child psychiatry and human development
|May 25, 2024
概括
强迫症 (OCD) 可能涉及大脑错误监控系统中的错误. 这项研究发现,强迫症患者在对错误的脑反应中表现出差异,特别是错误阳性度 (ΔPe) 降低,这可能会影响反应的准确性.
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.
- 认知科学 认知科学
背景情况:
- 与错误相关的负面性 (ERN) 和错误正面性 (Pe) 是错误处理的电生理学标记.
- 这些成分被研究为强迫症障碍 (OCD) 的潜在生物标志物.
研究的目的:
- 与健康对照组 (HC) 相比,检查儿科强迫症病例中的ERN,Pe和侧边任务性能.
- 调查这些措施与强迫症的临床特征之间的关系.
主要方法:
- 105名儿科强迫症病例和105名年龄相匹配的HC (8-18岁) 完成了侧面任务.
- 记录和分析了与事件相关的潜力 (ERN,Pe) 和行为准确性.
- 评估了临床措施,包括症状发病时的年龄.
主要成果:
- 在所有参与者中,更高的侧边任务准确度与增加的ERN幅度以及Pe和正确的阳性幅度 (ΔPe) 之间的较大差异相关.
- 与HC相比,强迫症患者的ERN幅度增加,但 ΔPe和侧面任务准确性下降.
- 这些差异在与滴滴相关的和非滴滴相关的强迫症子组中持续存在.
- 较低的 ΔPe 与强迫症症状发病时的早期年龄有关.
结论:
- 这些发现支持了强迫症错误监测受损的假设.
- 降低的ΔPe可能表明强迫症患者的错误信号和响应不确定性受损.
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