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探索严重和持久性神经性厌食症 (SE-AN) 中主动抑制和限制性饮食行为之间的关系
Savani Bartholdy1, Bethan Dalton1, Samantha J Rennalls2
1Centre for Research in Eating and Weight Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK.
Journal of eating disorders
|January 4, 2025
概括
患有严重和持久性神经性厌食症 (SE-AN) 的人在不确定性下表现出谨慎,但主动抑制不会导致SE-AN中的限制性饮食行为. 需要进一步的研究来理解SE-AN.
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.
- 饮食障碍 饮食障碍 饮食障碍 饮食障碍
背景情况:
- 了解严重和持久性神经性厌食症 (SE-AN) 背后的机制至关重要,因为20-30%的个人发展出这种持续形式的疾病.
- 以前的研究表明,与健康对照人群相比,神经性厌食症 (AN) 患者的主动抑制有差异.
- 这项研究初步探讨了与健康比较 (HC) 妇女相比,SE-AN妇女的主动抑制.
研究的目的:
- 为了比较SE-AN和HC女性的积极抑制.
- 在SE-AN.中调查主动抑制和限制性/避免性饮食行为之间的关联.
主要方法:
- 34名SE-AN女性和30名HC女性完成了指导反应时间任务,以评估主动抑制.
- 参与者还填写了关于限制性/避免性饮食行为和不容忍不确定性的问卷.
- SE-AN是由超过3年的疾病和不成功的饮食障碍治疗史定义的.
主要成果:
- 无论是SE-AN还是HC组都表现出主动抑制,这是不确定性下反应时间较慢的迹象.
- 与HC参与者相比,SE-AN参与者整体反应时间明显较慢.
- 积极的抑制与SE-AN的限制性/避免性饮食行为没有显著的关联,即使考虑到不耐受不确定性.
结论:
- 积极的抑制不太可能是 SE-AN 中限制和避免饮食行为的直接贡献者.
- 研究结果表明,SE-AN患者在不确定的情况下做出反应时,可能会更加谨慎.
- 需要进行进一步的纵向研究,以澄清SE-AN和AN中的主动抑制的具体作用.
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