This paper presents a novel approach for classifying obsessive-compulsive disorder (OCD) in adolescents from resting-state fMRI data. Currently. the state-of-the-art for diagnosing OCD in youth involves interviews with adolescent patients and their parents by an experienced clinician. symptom rating scales based on Diagnostic and Statistical Manual of Mental Disorders (DSM). https://www.roneverhart.com/275-55R20-X-FIT-AT/