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Deep Brain Stimulation Glossary

Use this glossary to learn about common medical terms for deep brain stimulation (DBS) therapy.

Basal Ganglia
An area of the brain that controls movement using chemical and electrical signals

Deep Brain Stimulation (DBS)
A therapeutic treatment that consists of an implanted device which targets focused areas of the brain to help ease the symptoms of some movement disorders

Essential Tremor
A neurological condition that causes uncontrollable shaking or rhythmic trembling; also known as tremor

Implantable Pulse Generator (IPG)
A small device, implanted in your body, that sends electrical pulses to leads (thin wires) placed in your brain

Lead
Thin, insulated wire that delivers electrical signals from a neurostimulator to your brain; the lead in a St. Jude Medical Infinity™ DBS system may be a directional lead

Movement Disorders
Neurological conditions that affect a person's movement; Parkinson’s disease and essential tremor are movement disorders

Parkinson's Disease
A slow, progressive brain condition that takes away the control a person has over movement