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Science News for May 18, 2013


Ketamine shows significant therapeutic benefit in people with treatment-resistant depression

Researchers found ketamine to be effective in treating treatment-resistant depression within 24 hours, with a response rate of 63.8% compared to 28% in the placebo group. The antidepressant benefits were durable after seven days, making ketamine a promising new treatment option for patients with severe and refractory forms of depression.

For combat veterans suffering from post-traumatic stress disorder, 'fear circuitry' in the brain never rests

Researchers at NYU Langone Health found that combat veterans with PTSD exhibit abnormal brain activity in key fear and anxiety regions even at rest. The study sheds light on which areas of the brain provoke traumatic symptoms and represents a critical step toward better diagnostics and treatments for PTSD.