The Effect of Metacognitive Intervention on Symptoms of Patient with Body Dysmorphic Disorder: A Case Study

Background and Patients whit body dysmorphic disorders have dysfunctional negative thoughts about their physical appearance. The purpose of this study was to evaluate the effectiveness of metacognitive intervention on body dysmorphic disorder in a 20-year-old male case. Methods and Materials: This case study used the single case experimental design to reduce the symptoms of a male patient with BDD diagnosis. To collect the data, the client completed the questionnaire in pre-test (as a base-line), last treatment session (as the post-test), and six months after treatment (follow-up): Yale-Brown Obsessive Compulsive Scale Modified for BDD (YBOCS-BDD), Thought Fusion Instrument (TFI), Body Dysmorphic Metacognition Questionnaire (BDMCQ), and Beck Anxiety inventory (BAI). For data analysis, the data chart analysis and graphical methods were used and based on the ascending and descending trend of the scores, effectiveness of the intervention was judged. The scores for the pre-test, post-test, and follow–up examinations were 30, 10, and 10, respectively. His scores of the TFI were 820, 100, and 120, respectively. Finally, the scores for BDMCQ came up to be 45, 10, and 11, respectively, and the scores for (BAI) were: 47-16-18 respectively. Based on the clinical significance measures, the reduction of the symptoms was significant. The metacognitive intervention is effective in reducing the symptoms of the body dysmorphic disorder.