在强迫症障碍的决策任务中操纵不确定性水平
Uma Maheswari Ganesh1, Lavanya Sharma2, Himani Kashyap1
1Department of Clinical Psychology, National Institute of Mental Health and Neurosciences, Bengaluru, India.
概括
患有强迫症 (OCD) 的人在不确定性较低时做出更冲动的决定,表现出更少的确定性. 他们还表现出更高的负面紧迫性和更低的寻找感觉的特征.
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.
- 行为科学 行为科学
背景情况:
- 强迫症 (OCD) 的特点是强迫症和强迫症.
- 强迫症的决策过程尚未完全理解,特别是关于不确定性的过程.
- 冲动性是强迫症决策缺陷的一个潜在因素.
研究的目的:
- 调查操纵不确定性水平对强迫症患者决策表现的影响.
- 为了比较强迫症患者和健康对照者之间的决策和特征冲动性.
主要方法:
- 一项涉及强迫症患者 (n=65) 和非临床对照 (n=45) 的病例控制研究.
- 使用珠子任务来测量反射/决策冲动性.
- 评估特征冲动性使用短时间的紧迫性-预设-力-感觉寻求-积极的紧迫性 (UPPS-P) 冲动行为量表.
- 使用曼·惠特尼U测试来分析群体差异.
主要成果:
- 强迫症患者在低不确定性条件下表现出较少的决策吸引力和较低的主观决策确定性 (85:15).
- 在UPPS-P中,强迫症组在负面紧迫性方面得分更高,在寻找感觉方面得分更低.
- 在对多次比较进行校正后,观察到的珠子任务性能差异并没有保持显著.
结论:
- 强迫症患者在不确定性较低的情况下表现出更冲动的决策,尽管报告主观确定性较低.
- 负面的紧迫感在强迫症组中成为显著的特征冲动性因素.
- 建议进行进一步的研究,以探索特征冲动性,症状严重性,焦虑和决策确定性在强迫症相关冲动性中的作用.
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