This CURRENTLY ENROLLING study will test whether a single dose of ketamine - a drug that blocks a brain receptor called NMDA - can cause a rapid (next day) antidepressant effect in patients with major depression. Several medications are effective for trea
One of the characteristic manifestations of prolonged stress is decreased performance in tasks that require attention, including the ability to shift focus as well as to learn and unlearn information. Anxiety and depression can make a person feel as if he