Ataxia means without coordination. People with ataxia lose muscle control in their arms and legs, which may lead to a lack of balance, coordination, and trouble walking. Ataxia may affect the fingers, hands, arms, legs, body, speech, and even eye movements.
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Dystonia is a body movement disorder. It causes your muscles to contract, move involuntarily, or get stuck in an abnormal position.
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Essential tremor (ET) is a neurological disorder. It causes your hands, head, trunk, voice, or legs to shake rhythmically. It is often confused with Parkinson disease. It is most common in people older than age 65.
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Huntington disease is a brain disorder that can lead to emotional disturbances, loss of intellectual abilities, and uncontrolled movements.
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Progressive supranuclear palsy is a disorder in a small section of the brain that causes weakness of certain muscles.This is a rare disorder but may be mistaken for Parkinson's disease.
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Tourette disorder (TD) is a neurological disorder that causes repeated tics. Tics are sudden, uncontrolled vocal sounds or muscle jerks. Symptoms of TD often begin between ages 5 and 10. They usually start with mild, simple tics of the face, head, or arms.
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