Obsessive-Compulsive Behavior

The goal of this investigational study is to evaluate if the treatment using EXOMIND(BTL-699-2) device is able to improve severity of obsessive and compulsive symptoms in adults (aged 22 and older). The main question it aims to answer is: Does the treatment using EXOMIND (BTL-699-2) device is able safely and efficiently reduce the severity of obsessive and compulsive behaviors? Participants will be asked to: * Complete six treatment visits (twelve treatment sessions) * Complete The Yale-Brown Obsessive-Compulsive Severity Scale Second Edition Self Report Version (Y-BOCS-II SR) * Complete Short UPPS-P Impulsive Behaviour Scale (SUPPS-P) * Compete The Warwick-Edinburgh Mental Wellbeing Scale (WEMWBS) * Compete The Patient Health Questionnaire-9 (PHQ-9) * Compete Columbia Suicide Severity Rating Scale -screen version(CSSRS) * Complete Trigger Recall Experience Questionnaire (only for participants who agree to participate in trigger recall procedure during the treatment sessions) * Compete The Therapy Comfort Questionnaire * Compete The Subject Satisfaction Questionnaire

This observational, cross-sectional case-control study evaluates obsessive-compulsive symptoms among adults with substance use disorder compared with a demographically similar control group without substance use disorder. Patients aged 18-50 years attending the addiction management inpatient and outpatient services at Assiut University Hospital, and healthy controls recruited from relatives, friends, and hospital staff, will complete structured clinical interviews, the Yale-Brown Obsessive-Compulsive Scale, and other standardized scales for psychiatric symptoms, cognition, and quality of life. The main objective is to estimate the prevalence and severity of obsessive-compulsive symptoms in substance use disorder and examine their associations with sociodemographic and clinical factors, addiction severity, and quality of life in the recovery stage.