Measuring implicit associations between food and body stimuli in anorexia nervosa: a Go/No-Go Association Task.

IF 2.9 3区医学 Q2 PSYCHIATRY Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity Pub Date : 2023-11-02 DOI:10.1007/s40519-023-01621-9

Clara Lakritz, Sylvain Iceta, Philibert Duriez, Maxime Makdassi, Vincent Masetti, Olga Davidenko, Jérémie Lafraire

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Abstract

Purpose: The present study aimed to explore the implicit associations between food and bodily stimuli in patients with anorexia nervosa (AN) and control subjects (HC).

Methods: A Go/No-Go Association Task was administrated to 55 participants (28 AN and 27 HC), using food stimuli (low-calorie food vs. high-calorie food) and body stimuli (underweight vs. overweight bodies).

Results: We evidenced an implicit association between food and body stimuli in the AN group, whereas the HC group only showed a tendency. AN and HC groups also exhibited different categorization strategies: the AN group tended to categorize stimuli as low-calorie foods and underweight bodies less than the HC group, and they tended to categorize stimuli as high-calorie foods and overweight bodies more than the HC group.

Conclusion: The present study revealed for the first time specificities of the AN population's implicit association between food and body stimuli in terms of association strength and categorization strategy. Furthermore, the results suggest that combining implicit methodologies with other methods could contribute to a better characterization of the physiopathology of AN.

Level of evidence: Level I, experimental study.

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测量神经性厌食症患者食物和身体刺激之间的内隐关联：一项Go/No-Go关联任务。

目的：本研究旨在探讨神经性厌食症（AN）患者和对照组（HC）食物和身体刺激之间的内隐关联，使用食物刺激（低热量食物与高热量食物）和身体刺激（体重不足与超重身体）。结果：我们在an组中证明了食物与身体刺激之间的隐性关联，而HC组仅表现出一种趋势。AN组和HC组也表现出不同的分类策略：AN组倾向于比HC组少将刺激归类为低热量食物和体重过轻的身体，而他们倾向于比HC组多将刺激归类于高热量食物和超重的身体。结论：本研究首次揭示了AN人群在食物和身体刺激之间的内隐关联在关联强度和分类策略方面的特异性。此外，研究结果表明，将内隐方法与其他方法相结合可以有助于更好地表征AN的病理生理学。证据水平：I级，实验研究。

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来源期刊

Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity 医学-精神病学

CiteScore

6.50

自引率

10.30%

发文量

170

审稿时长

>12 weeks

期刊介绍： Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity is a scientific journal whose main purpose is to create an international forum devoted to the several sectors of eating disorders and obesity and the significant relations between them. The journal publishes basic research, clinical and theoretical articles on eating disorders and weight-related problems: anorexia nervosa, bulimia nervosa, subthreshold eating disorders, obesity, atypical patterns of eating behaviour and body weight regulation in clinical and non-clinical populations.