在神经性厌食症-限制性类型中持续避免虚拟食物:在虚拟停止任务中从运动跟踪中得到的结果
Philipp A Schroeder1, Enrico Collantoni2,3, Valentina Meregalli2,3
1Department of Psychology, Clinical Psychology & Psychotherapy, University of Tübingen, Tübingen, Germany.
The International journal of eating disorders
|January 24, 2024
概括
患有神经性厌食症-限制性类型的患者表现出习惯性避免食物和增强的抑制控制. 虚拟现实任务揭示了持续避免食物,建议新的治疗途径.
科学领域:
- 心理学 心理学 心理学
- 神经科学是一个神经科学.
- 临床心理学 临床心理学
背景情况:
- 避免食物是厌食神经限制性类型 (AN-R) 的核心症状.
- 现有的研究为避免食物提供了相互竞争的解释,包括自动习惯与强烈的抑制控制.
- 研究AN-R的行为模式对于理解潜在机制至关重要.
研究的目的:
- 调查AN-R患者避免食物的行为轨迹.
- 使用虚拟现实停止任务,区分习惯性反应和食物避免中的抑制控制.
- 在食品方法任务中,将AN-R患者与健康对照进行比较.
主要方法:
- 在60名AN-R患者和29名健康对照组中,采用了一种新的虚拟现实运动任务.
- 参与者进行了涉及虚拟食物和控制对象的停止和继续试验.
- 运动动力学 (空间位移) 被记录下来,以评估抑制控制和习惯性避免.
主要成果:
- 在两种试验类型中,与非食品物体相比,患有AN-R的患者对食物的手部移动时间较短.
- 这种特定于食物的效应在开始和停止试验中一致,表明习惯性避免.
- 在AN-R患者中,停止误差率较低,这表明普遍抑制控制能力较强.
结论:
- 研究结果表明,在AN-R中,避免食物的特征是习惯性反应和普遍的抑制控制.
- 对食物的持续延迟运动突出了回避行为根深蒂固的性质.
- 这些见解可能有助于开发基于习惯的治疗干预措施,用于AN-R.
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