![]() ![]() Cervical dystonia causes involuntary twisting or turning of the head, as well as head tremors. Some forms of dystonia are genetic but the cause for the majority of cases is not known. There are several different forms of dystonia that may affect only one muscle, groups of muscles, or muscles throughout the body. Some individuals with dystonia may have a tremor or other neurologic features. Essential tremor (ET) is often confused with Parkinson’s disease, although it’s eight times more common, affecting an estimated 10 million Americans and millions more worldwide.ĭystonia is a disorder characterized by involuntary muscle contractions that cause slow repetitive movements or abnormal postures. The tremor can also affect the head, voice, legs and trunk. A person who inherits the gene will eventually develop Huntington’s disease.Įssential tremor is another disorder that can cause a person’s arms to shake rhythmically when the arms are being used to perform a function such as eating, writing, dressing, drinking or when holding a posture such as with the arms outstretched in front of the body. A child who does not inherit the gene will generally not pass it on. People with the disease also develop impaired coordination, slurred speech and difficulty feeding and swallowing.Įach child of a parent with Huntington’s disease has a 50-50 chance of inheriting the gene that causes the disease. ![]() It can also cause a decline in thinking and reasoning skills, including memory, concentration, judgment and ability to plan and organize. ![]() Symptoms include uncontrolled movements of the arms, legs, head, face and upper body. More than 30,000 Americans have Huntington’s disease. Huntington's diseaseis an inherited disorder that causes brain cells, called neurons, to die in various areas of the brain, which in turn causes disability that gets worse over time. Unlike movement disorders such as Parkinson’s disease, functional movement disorders are not due to damage to the nervous system, and can be reversible. People with Tourette's syndromehave both motor and vocal tics, with onset of the tics before age 18.įunctional movement disorders refer to abnormal involuntary movements that are caused by a problem with how signals are sent through the brain. For example, a person with a motor tic might keep blinking over and over, or a person with a vocal tic might keep making a grunting sound. Tic disordersare characterized by sudden twitches, movements, or sounds that people do repeatedly. Many symptoms of Ataxia mimic those of being drunk, such as slurred speech, stumbling, falling and incoordination. People affected by Ataxia may experience problems with using their fingers and hands, arms, legs, walking, speaking or moving their eyes. ![]() They often have additional symptoms that are not common in Parkinson’s and may not respond well to Parkinson’s medications.Ītaxia refers to uncoordinated movement due to a muscle control problem that causes an inability to coordinate movements. Parkinson’s disease and other related disorders cause the limbs to shake rhythmically (tremor) when the body is at rest, and also cause muscles to tighten and become rigid, affecting posture - all of which can make it difficult to walk and engage in daily activities.Ītypical parkinsonian disorders (sometimes called Parkinson’s Plus) are progressive diseases that have some of the same symptoms (tremor, slowness and stiffness) as Parkinson’s disease. ![]()
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