饮食障碍的认知灵活性和DSM-5严重性标准:评估瘦身和疾病持续时间的驱动力作为其他严重性变量
Bernat Mora-Maltas1,2, Ignacio Lucas1,2,3, Roser Granero2,3,4
1Clinical Psychology Unit, University Hospital Bellvitge and CIBERobn, Feixa Llarga s/n 08907 L'Hospitalet del Llobregat, Barcelona, Spain.
Journal of eating disorders
|September 11, 2023
概括
在DSM-5饮食障碍严重程度标准中,认知灵活性的评估不够. 疾病的持续时间,而不是对瘦身的追求,是饮食障碍中认知灵活性缺陷的更有效措施.
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.
- 临床心理学 临床心理学
背景情况:
- 目前的DSM-5饮食障碍 (ED) 严重程度标准缺乏强有力的经验支持.
- 认知灵活性缺陷在ED中很常见,可能是关键症状.
- 之前的研究没有评估ED严重性标准与认知灵活性相关.
研究的目的:
- 检查DSM-5ED严重性标准与认知灵活性缺陷之间的关联.
- 为了确定是否驱动瘦身 (DT) 或疾病持续时间是比目前标准更有效的认知灵活性缺陷指标.
主要方法:
- 161名患有ED的患者根据DSM-5严重程度,DT和疾病持续时间进行分类.
- 用威斯康星卡片排序测试 (WCST) 评估认知灵活性.
- 评估了每个严重程度分类对认知灵活性的区分能力.
主要成果:
- 在神经性厌食症中,中度严重的患者有更好的WCST得分和更少的认知灵活性缺陷.
- 在狂欢频谱障碍中,轻度严重的患者表现出更多的认知灵活性缺陷.
- 无论是DT还是DSM-5的严重程度都不一致地预测认知灵活性,但更长的疾病持续时间与AN和BSD组中更大的缺陷相关.
结论:
- DSM-5严重性标准在捕捉ED患者认知灵活性障碍方面存在局限性.
- 疾病持续时间成为评估ED患者认知灵活性缺陷的更敏感指标.
- 需要进一步的研究来完善ED严重程度的测量方法,并纳入认知因素.
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