{
  "id": 11678033,
  "title": "Research reveals a specific brain circuit implicated in OCD",
  "url": "https://urgent.news/2026/10/03/research-reveals-a-specific-brain-circuit-implicated-in-ocd",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-03T12:00:02.000Z",
  "source": {
    "name": "Medical Xpress",
    "slug": "medical-xpress",
    "url": "https://medicalxpress.com/news/2026-09-reveals-specific-brain-circuit-implicated.html"
  },
  "original_language": "en",
  "account": "A new study published in the journal Neuron has identified a previously unknown brain circuit involved in obsessive-compulsive disorder (OCD). Led by Joshua L. Plotkin, Ph.D., the research team used a mouse model to uncover the connection between the amygdala, which processes emotionally important experiences like fear and anxiety, and the dorsolateral striatum (DLS), which is involved in habitual behaviors. The team found that this amygdala-DLS connection, though small, can significantly influence the DLS and amplify sensory-evoked behaviors. Repeated stimulation of this amygdala-DLS circuit led to longer grooming in mice even after the initial stimulus had ceased. The researchers also discovered that this circuit is stronger and more active in mice with OCD-like behaviors, and that chronic inhibition of the amygdala could prevent these compulsive behaviors. The findings provide a clearer understanding of how emotionally significant experiences may transform normal behaviors into compulsions, and suggest specific targets for more precise OCD treatments.",
  "summary": "Treatment for obsessive-compulsive disorder (OCD), a mental health condition characterized by distressing, uncontrollable thoughts and repetitive behaviors, has centered on psychotherapy and medication to curb symptoms. New research identifying a previously unknown brain circuit involved in OCD could be a key step toward treatments that target specific brain regions to better control the…",
  "key_points": [
    "Researchers identify amygdala-DLS circuit in OCD",
    "Amygdala-DLS connection influences DLS behavior",
    "Chronic inhibition of amygdala reduces compulsions"
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}