Scientists say procedure showed improvements but larger clinical experiment needed to confirm benefits

Patients with severe obsessive-compulsive disorder have shown remarkable improvements after undergoing an experimental procedure in which electrodes are placed inside the brain.

The first UK trial of deep brain stimulation for OCD involved six people who were extremely severely affected by the condition. The patients each had four electrodes surgically inserted through the skull into the brain. These are used to electrically stimulate brain circuits with the aim of bringing the illness under control.

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