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Psychophysiological responses to idiosyncratic stress in bulimia nervosa and binge eating disorder

Hilbert, Anja ; Vögele, Claus ; Tuschen-Caffier, Brunna ; Hartmann, Andrea S

Physiology & Behavior, 24 October 2011, Vol.104(5), pp.770-777 [Peer Reviewed Journal]

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  • Title:
    Psychophysiological responses to idiosyncratic stress in bulimia nervosa and binge eating disorder
  • Author/Creator: Hilbert, Anja ; Vögele, Claus ; Tuschen-Caffier, Brunna ; Hartmann, Andrea S
  • Language: English
  • Subjects: Stress ; Psychophysiology ; Heart Rate Variability ; Bulimia Nervosa ; Binge Eating Disorder ; Anatomy & Physiology ; Psychology
  • Is Part Of: Physiology & Behavior, 24 October 2011, Vol.104(5), pp.770-777
  • Description: This study examined psychophysiological stress responses to idiosyncratically relevant stress in bulimia nervosa (BN) and binge eating disorder (BED), in relation to autonomic cardiac control and nutritional status. A total of 81 women with BN, BED and healthy controls (HC) took part in an in sensu exposure to idiosyncratic stress. Psychological and peripheral physiological parameters were measured, and tonic heart rate variability, nutritional status, and types of stress were determined. In response to stress exposure, both eating disordered groups showed a stronger reactivity of sadness, and the BED group showed a stronger reactivity of insecurity than the HC group. Desire to binge was increased in the context of interpersonal stress. Stress exposure led to increased cardiovascular activity and reduced electrodermal activity that did not differ by group. The BN-specific symptomatology moderated the association between autonomic cardiac control and psychophysiological stress responses. The results suggest common and specific psychophysiological processes in symptom maintenance through life stress in BN and BED. ► Eating disordered women revealed sadness and desire to binge to idiosyncratic stress. ► Women with binge eating disorder reacted with insecurity. ► Eating disordered and healthy women did not differ in psychophysiological stress responses. ► Bulimic symptoms influenced the association between autonomic cardiac control and psychophysiological stress responses. ► Overall, there were common and specific stress reactions in eating disorders.
  • Identifier: ISSN: 0031-9384 ; E-ISSN: 1873-507X ; DOI: 10.1016/j.physbeh.2011.07.013