PD is a slowly-progressing neurodegenerative disease in which motor symptoms (tremor, stiffness, slowness and balance) result from the loss of dopamine-producing neurons in a region of the brain known as the substantia nigra.
Dystonia is a neurologic condition in which there are sustained muscle contractions that can cause involuntary twisting and repetitive movements resulting in abnormal postures that sometimes can be painful.
ET is considered one of the most common movement disorders, appearing as a tremor of both hands – most prominently when performing activities such as writing, eating or drinking.
Tic Disorders are brief, rapid movements and sounds that are usually repetitive and involuntary that can affect any part of the body.
HD is a hereditary neurodegenerative disorder that results in involuntary abnormal movements, gait and balance problems, behavioral and psychiatric difficulties along with progressive cognitive decline.