How 'Horse Tranquiliser' Stops Depression, According To New Study

Tuesday, May 6, 2008 - 11:28 in Psychology & Sociology

Researchers have shown exactly how the anaesthetic ketamine helps depression with images that show the orbitofrontal cortex -- the part of the brain that is overactive in depression -- being 'switched off'. Ketamine, an anaesthetic that is popular with doctors on the battlefield and also with vets because it allows a degree of awareness without pain, is a new hope for the treatment of depression -- but the minute-by-minute images show how the drug achieves this in an unexpected way.

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