神经性厌食症中的身体意象：利用生物运动任务和眼动追踪进行身体大小估计
Body Image in Anorexia Nervosa: Body Size Estimation Utilising a Biological Motion Task and Eyetracking.
作者信息
Phillipou Andrea, Rossell Susan Lee, Gurvich Caroline, Castle David Jonathan, Troje Nikolaus Friedrich, Abel Larry Allen
机构信息
Department of Optometry & Vision Sciences, The University of Melbourne, Melbourne, Australia.
Department of Psychiatry, The University of Melbourne, Melbourne, Australia.
出版信息
Eur Eat Disord Rev. 2016 Mar;24(2):131-8. doi: 10.1002/erv.2423. Epub 2015 Dec 1.
OBJECTIVE
Anorexia nervosa (AN) is a psychiatric condition characterised by a distortion of body image. However, whether individuals with AN can accurately perceive the size of other individuals' bodies is unclear.
METHOD
In the current study, 24 women with AN and 24 healthy control participants undertook two biological motion tasks while eyetracking was performed: to identify the gender and to indicate the walkers' body size.
RESULTS
Anorexia nervosa participants tended to 'hyperscan' stimuli but did not demonstrate differences in how visual attention was directed to different body areas, relative to controls. Groups also did not differ in their estimation of body size.
DISCUSSION
The hyperscanning behaviours suggest increased anxiety to disorder-relevant stimuli in AN. The lack of group difference in the estimation of body size suggests that the AN group was able to judge the body size of others accurately. The findings are discussed in terms of body image distortion specific to oneself in AN.
目的
神经性厌食症（AN）是一种以身体形象扭曲为特征的精神疾病。然而，患有神经性厌食症的个体是否能够准确感知他人身体的大小尚不清楚。
方法
在本研究中，24名患有神经性厌食症的女性和24名健康对照参与者在进行眼动追踪的同时完成了两项生物运动任务：识别性别并指出步行者的身体大小。
结果
相对于对照组，神经性厌食症参与者倾向于“过度扫描”刺激，但在视觉注意力指向不同身体部位的方式上没有表现出差异。两组在身体大小估计方面也没有差异。
讨论
过度扫描行为表明神经性厌食症患者对与疾病相关的刺激的焦虑增加。在身体大小估计方面缺乏组间差异表明神经性厌食症组能够准确判断他人的身体大小。这些发现是根据神经性厌食症中特定于自身的身体形象扭曲来讨论的。
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