OCD-Etiology & Symptoms

OCD-Etiology & Symptoms

The etiology of OCD is:

  • Serotonin dysregulation [Less evidence for Noradrenergic system]
  • Cortico-striatal-thalamic-cortical circulatory path
  • Prefrontal Cortex -> Striatum -> Thalamus -> Prefrontal Cortex

Symptom patterns:

  • Contamination-Washing behavior
  • Pathological doubt-Compulsion of checking
  • Intrusive thoughts-Intrusive Thoughts [sexual & aggressive] without an observable compulsion
  • Symmetry-Need for Symmetry and precision. Compulsion of slowness

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