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Movement Disorders |
Dyskinesia |
Dyskinesia refers to an impairment of voluntary movement. The resultant tics and other movements are often referred to as dyskinesias. Dyskinesia is sometimes caused by long-term use of anti-psychotic drugs or other dopamine antagonists like the antiemetic metoclopramide. The effect of these drugs can be tardive, meaning the dyskinesia continues or appears even after the drugs are no longer taken (see Tardive dyskinesia). In context of Parkinson's disease, dyskinesias are often the result of ...
Wikipedia - [full article]
Movement Disorders Articles
- Angelman syndrome
... Angelman syndrome is a complex genetic disorder that affects the brain and nervous system. Characteristic features of the condition include developmental delay or mental retardation, severe speech imp... - Angelman Syndrome Information Page
... Angelman syndrome is a chromosomal (gene-linked) disease that causes neurological problems. The physician Harold Angelman first identified the syndrome in 1965, when he described several children in h... - Ataxias and Cerebellar/Spinocerebellar Degeneration Information Page
... Ataxia often occurs when parts of the nervous system that control movement are damaged. People with ataxia experience a failure of muscle control in their arms and legs, resulting in a lack of balance... - Chorea Information Page
... Chorea is an abnormal voluntary movement disorder, one of a group of neurological disorders called dyskinesias, which are caused by overactivity of the neurotransmitter dopamine in the areas of the br... - Hallervorden-Spatz Disease Information Page
... Hallervorden-Spatz disease, also called Neurodegeneration with Brain Iron Accumulation, is a rare, inherited, neurological movement disorder characterized by progressive degeneration of the nervous sy... - Hypertonia Information Page
... Hypertonia is a condition marked by an abnormal increase in muscle tension and a reduced ability of a muscle to stretch. It is caused by injury to motor pathways in the central nervous system, which c... - Joubert Syndrome Information Page
... Joubert syndrome is a rare brain malformation characterized by the absence or underdevelopment of the cerebellar vermis - an area of the brain that controls balance and coordination. The most common f... - Machado-Joseph Disease Fact Sheet
... Machado-Joseph disease (MJD)-also called spinocerebellar ataxia type 3-is a rare hereditary ataxia. (Ataxia is a general term meaning lack of muscle control.) The disease is characterized by clumsines... - Multiple System Atrophy Information Page
... Multiple system atrophy (MSA) refers to three slowly progressive related disorders that affect the central and autonomic nervous systems. The disorders are characterized by their foremost symptoms: ol... - Myoclonus Fact Sheet
... Myoclonus describes a symptom and generally is not a diagnosis of a disease. It refers to sudden, involuntary jerking of a muscle or group of muscles. Myoclonic twitches or jerks usually are caused by... - Myoclonus Information Page
... Myoclonus is a term that refers to brief, involuntary twitching of a muscle or a group of muscles. It describes a symptom and, generally, is not a diagnosis of a disease. The myoclonic twitches or jer... - Neuroacanthocytosis Information Page
... Neuroacanthocytosis is a rare movement disorder marked by progressive muscle weakness and atrophy, progressive cognitive loss, chorea (involuntary twisting movements of the body), and acanthocytosis (... - Pantothenate kinase-associated neurodegeneration
... Pantothenate kinase-associated neurodegeneration (formerly called Hallervorden-Spatz syndrome) is a disorder of the nervous system. The condition is characterized by progressive difficulty with moveme... - Paroxysmal Choreoathetosis Information Page
... Paroxysmal choreoathetosis is a movement disorder characterized by episodes or attacks of involuntary movements of the limbs, trunk, and facial muscles. The disorder may occur in several members of a ... - Sydenham Chorea Information Page
... Sydenham chorea, also called St. Vitus dance, is a childhood movement disorder characterized by rapid, irregular, aimless, involuntary movements of the muscles of the limbs, face, and trunk. The disor... - Tardive Dyskinesia Information Page
... Tardive dyskinesia is a neurological syndrome caused by the long-term use of neuroleptic drugs. Neuroleptic drugs are generally prescribed for psychiatric disorders, as well as for some gastrointestin...
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