Here is a quick mnemonic/memory aid “CAUSES OF OCD to remember about the Causes of Obsessive-Compulsive Disorder

C – Cortico-striatal-thalamo-cortical (CSTC) circuit abnormalities


A – Autoimmune factors affecting the basal ganglia


U – Unwanted intrusive thoughts leading to compulsive behaviors


S – Serotonin dysregulation in the brain


E – Environmental factors triggering OCD onset, like stress and trauma


S – Structural brain abnormalities in the orbitofrontal cortex and caudate nucleus


O – Obsessive personality traits and cognitive biases


F – Family history of OCD or related disorders


O – Overactivity of certain neurotransmitters, such as glutamate


C – Childhood infections triggering immune response in the brain


D – Dysfunctional neural pathways contributing to obsessive thoughts and compulsive actions

Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER (1), (2)working in health department
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