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Control of Eating Behavior Using a Novel Feedback System
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饮食障碍的症状和寻求控制的行为
Ashley Slanina-Davies1, Oliver J Robinson1, Alexandra C Pike1,2
1Anxiety Lab, Neuroscience and Mental Health Group, Institute of Cognitive Neuroscience, University College London, London, UK.
Brain and behavior
|June 29, 2023
概括
这项研究发现,饮食障碍症状与寻求控制的行为之间没有直接联系. 然而,强迫性是其他疾病中常见的特征,确实与寻求控制的行为相关.
科学领域:
- 心理学 心理学 心理学
- 临床心理学 临床心理学
- 行为科学 行为科学
背景情况:
- 饮食障碍 (ED) 是一种复杂的疾病,涉及到饮食模式的扰乱.
- 现有的研究表明,ED症状与寻求控制的行为之间存在联系,可能是为了减轻痛苦.
- 然而,直接的行为证据和与减少不确定性行为的区别仍然不清楚.
研究的目的:
- 直接测试控制寻求和ED症状的行为指标之间的相关性.
- 调查控制寻求行为是ED特异性的还是跨诊断因素.
- 在一个新的实验范式中,将寻求控制与减少不确定性的行为区分开来.
主要方法:
- 一个由183名参与者组成的普通人口样本参与了一项涉及子滚动的在线行为任务.
- 参与者可以选择具有潜在点成本的"控制选项" (例如,更改任务特征).
- 调查问卷评估了饮食障碍症状 (EAT-26),不容忍不确定性和强迫症特征 (OCI-R).
主要成果:
- 在整体饮食障碍症状得分 (EAT-26) 和选择的控制选项数量之间没有发现显著的相关性.
- 强迫症库存修订 (OCI-R) 的高得分与增加的控制选项选择有显著的相关性 (r = .155,p = .036).
结论:
- 该研究的新型范式没有在饮食障碍症状严重程度和寻求控制的行为之间建立直接关系.
- 研究结果表明,寻求控制的行为可能与强迫症等跨诊断因素更密切相关,这些因素通常存在于与EDs同时发生的疾病中.
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