Atlas One · Host Biology · Scale 07 — System

Obsessive-Compulsive Disorder

OCD (2-3% lifetime prevalence) is driven by cortico-striato-thalamo-cortical circuit hyperactivity; SSRIs at high doses are first-line; CBT with ERP achieves remission in ~60%; glutamatergic and dopaminergic dysregulation underlie treatment-resistant OCD.

Also known as: OCD, obsessive compulsive disorder, obsessive-compulsive, OCD spectrum, CSTC circuit, contamination OCD, checking OCD, hoarding disorder

Scale 07 — SystemScale
draftStatus
2026-06-08Last Reviewed
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obsessive-compulsive-disorder

Obsessive-Compulsive Disorder

OCD (2-3% lifetime prevalence) is driven by cortico-striato-thalamo-cortical circuit hyperactivity; SSRIs at high doses are first-line; CBT with ERP achieves remission in ~60%; glutamatergic and dopaminergic dysregulation underlie treatment-resistant OCD.