But in an accompanying viewpoint article, Dr. Hyman cautioned that the main element of OCD that causes distress to humans is unwanted intrusive thoughts, which "cannot be mimicked in mice, at least not in any obvious way."

He added that the researchers may have hit on something "but we must retain a healthy caution."

The research was supported by the National Institute of Neurological Disorders and Stroke, the National Institute of Mental Health, and the National Institute of Environmental Health Sciences. The authors said they had no competing financial interests.

Primary source: Nature
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