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标题：EFFECTS OF EXPOSURE TO FOOD IMAGES ON PHYSIOLOGICAL REACTIVITY AND EMOTIONAL RESPONSES IN WOMEN WITH BULIMIA NERVOSA
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作者：José Ramón Yela Bernabé ; Mª Ángeles Gómez Martínez ; María Cortés Rodríguez 等
期刊名称：Psicothema
印刷版ISSN：0214-9915
电子版ISSN：1886-144X
出版年度：2013
卷号：25
期号：2
页码：185-191
DOI：10.7334/psicothema2012.65
出版社：Cologio Oficial de Psicólogos del Principado
摘要：Background: The aim of this study is to compare the effectiveness of two exposure procedures on habituation of emotional responses to food stimuli: (a) exposure to external cues (food images) without eating forbidden food (CE) and (b) exposure to external cues eating forbidden food (with purge prevention). The influence of craving-trait and mood state on the habituation process is also studied. Method: Emotional modulation of the defense startle reflex was assessed in 26 women at risk of bulimia nervosa. After four exposure trials, changes in the following variables were measured: (a) food craving-state; (b) physiological measures: hearth rate (HR) and skin conductance response (SCR); (c) motivational patterns towards food (defense startle response); and (d) valence, arousal and dominance of the emotional response to food images. Results: After treatment, subjects tended to show non-significant lower SCR and heart orientation responses (vs. defense responses); defense startle response was also significantly lower. Conclusions: The exposure procedure, the induced emotional state and the number of exposure trials are analyzed.
关键词：Bulimia nervosa; exposure; emotions; psychophysiology; psychological intervention.