human 25 obsessive compulsive disorder 25 Article 23 Humans 19 female 19 male 18 Obsessive-Compulsive Disorder 14 major clinical study 14 Female 13 adult 13 Male 12 controlled study 12 anxiety disorder 9 depression 9 anxiety 8 mental disease 8 Child 7 attention deficit disorder 7 child 7 disease severity 7 major depression 7 psychology 7 Adolescent 6 Adult 6 adolescent 6 pathophysiology 6 priority journal 6 Obsessive-compulsive disorder 5 connectome 5 diagnostic imaging 5