Clinical Research Directory

CBT Effects on Neurophysiological and Psychological Outcomes in Body Dysmorphic Disorder

Sponsor: Istanbul Nisantasi University

Summary

This clinical trial aims to investigate how a specific type of psychotherapy called Cognitive-Behavioral Therapy (CBT) can help people who experience Body Dysmorphic Disorder (BDD). BDD is a mental health condition where individuals become excessively preoccupied with perceived flaws in their physical appearance-flaws that are often unnoticeable to others. This distress can interfere significantly with their social, emotional, and daily functioning. The purpose of this study is to evaluate whether a 12-week CBT program can reduce symptoms of BDD and bring about measurable changes in brain activity, physiological stress responses, and patterns of visual attention when individuals view their own faces or appearance-related images. The researchers will use brainwave recordings (EEG), skin response sensors (GSR), and eye-tracking technology to assess these changes. In addition, participants will complete a set of questionnaires that measure depression, anxiety, emotion regulation, self-esteem, body image beliefs, and self-compassion. Sixty individuals will take part in the study. Thirty will receive CBT sessions once a week for 12 weeks, while the other thirty will be placed on a waitlist and offered treatment later. The study will compare how symptoms and neurophysiological responses change before and after therapy, and whether these changes differ between those who received immediate treatment and those who did not. The researchers hypothesize that CBT will reduce emotional distress, improve emotion regulation, and shift brain and body responses toward healthier patterns. This study will help identify how and why therapy works for BDD, and whether technologies like EEG and eye-tracking can be used to monitor treatment progress.

Official title: A Randomized Controlled Trial Investigating the Effects of Cognitive-Behavioral Therapy on Neurophysiological and Psychological Outcomes in Individuals With Body Dysmorphic Disorder

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