Deep Brain Stimulation (DBS) is therapeutic neurosurgical procedure used in the treatment of Parkinson's diseaseplugin-autotooltip__plain plugin-autotooltip_bigParkinson's disease

Also known as Parkinson disease, Parkinson's, idiopathic Parkinsonism, primary Parkinsonism, PD, or paralysis agitans - is a degenerative disorder of the central nervous system resulting from the death of dopamine-containing cells in the and Tourette syndromeplugin-autotooltip__plain plugin-autotooltip_bigTourette syndrome

Tourette syndrome (TS or Tourette's) is a common neuro-psychiatric disorder which usually starts in childhood and is characterized by multiple motor tics and at least one vocal tic. These tics characteristically wax and wane in intensity and frequency…

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It was introduced in 1997, and involves direct electrical stimulation (via implanted wires) of various brain regions. Because of the surgical risks, it's usually only used for severely affected patients, when drug treatment is not proving effective.

It's associated with 30–60% improvement in motor score evaluations.

“Despite its remarkable clinical efficacy in many patients with Parkinson’s disease – the exact mechanism of Deep Brain Stimulation (DBS) is as yet unknown.”

Source :Clinical Neurosurgery, March 2016, Volume 127, Issue 3, Page e25

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