What is deep brain stimulation?

Editor's Choice Main Category: Neurology / Neuroscience Also Included In: Parkinson's Disease;Medical Devices / Diagnostics Article Date: 02 Sep 2013 - 9:00 PDT

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Deep brain stimulation (DBS) is a surgical procedure that involves placing a neurostimulator in the brain which sends out electrical impulses to specific regions of the brain.

The electrical impulses are sent out to block abnormal signals that can cause a number of different neurological disorders.

DBS is commonly used to treat essential tremor, Parkinson's disease, and dystonia (a movement disorder in which the muscles contract and spasm).

The procedure is also being studied as a potential form of treatment for Tourette syndrome and major depression.

The DBS system is made up of three different components:

The lead (also called an electrode) is a thin insulated wire which is implanted in the target region of the brain.

The extension wire travels under the skin and connects the lead to the implanted pulse generator - which sends out the electrical signals.

DBS alters activity in the brain in a controlled manner, as opposed to lesioning techniques its effects are completely reversible.

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What is deep brain stimulation?