The Effectiveness of Cognitive-Behavioral Therapy on Body Dysmorphic Disorder and Bulimia Nervosa in Patients Visiting Health Centers Payam Varaee / Nazila Nejati / Simin Jafari / Ferdous Kazemi Delivand
Subject Areas : Cognitive Behavior Therapy
Keywords: Keywords: Cognitive-Behavioral Therapy, Body Dysmorphic Disorder, Bulimia Nervosa,
Abstract :
Abstract: Body Dysmorphic Disorder (BDD) and Bulimia Nervosa are relatively common psychological disorders characterized by severe negative psychosocial outcomes. One of the key approaches that addresses both the psychological and physical factors of these disorders is Cognitive-Behavioral Therapy (CBT), which has become one of the most widely used psychotherapies in this field. Therefore, the present study aimed to determine the effectiveness of CBT in treating BDD and Bulimia Nervosa. The research method was a quasi-experimental design with a pretest-posttest control group. The statistical population included all men and women aged 18 to 45 years diagnosed with BDD and Bulimia Nervosa who visited specialized health centers in Tehran in 2024. From the target population, 60 individuals (both male and female) diagnosed with BDD and Bulimia Nervosa were selected through convenience sampling and randomly assigned to two groups: an experimental group (30 individuals) and a control group (30 individuals). The Yale-Brown Obsessive-Compulsive Scale (1997) was used to assess BDD, and the Gormally et al. Binge Eating Scale (1982) was used to evaluate Bulimia Nervosa. The experimental group received 10 individual CBT sessions, each lasting 45 minutes, over a period of two and a half months, following the protocol by Billing and colleagues. At the end of the intervention, both groups were re-evaluated. Data were analyzed using univariate and multivariate covariance analyses. The findings of this study indicated that CBT had a significant effect on reducing both BDD and Bulimia Nervosa symptoms (p < 0.05). Based on these results, CBT can be considered one of the most effective interventions for correcting distorted and negative beliefs in individuals with these disorders. Keywords: Cognitive-Behavioral Therapy, Body Dysmorphic Disorder, Bulimia Nervosa
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