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Chorea, or (rarely) choreia, (/ k ə ˈ r i ə /) is an abnormal involuntary movement disorder, characterized by quick movements of the hands or feet. It is one of a group of neurological disorders called dyskinesias .
Dyskinetic cerebral palsy could have multiple causes. The majority of the children are born at term and experience perinatal adverse events which can be supported by neuroimaging. Possible causes are perinatal hypoxic-ischaemia and neonatal shock in children born at term or near term.
Dyskinesia can be anything from a slight tremor of the hands to an uncontrollable movement of the upper body or lower extremities. Discoordination can also occur internally especially with the respiratory muscles and it often goes unrecognized. [3] Dyskinesia is a symptom of several medical disorders that are distinguished by their underlying ...
Hyperkinetic movement disorders refer to dyskinesia, or excessive, often repetitive, involuntary movements that intrude upon the normal flow of motor activity. Hypokinetic movement disorders fall into one of four subcategories: akinesia (lack of movement), hypokinesia (reduced amplitude of movements), bradykinesia (slow movement), and rigidity ...
The accumulating damage to this area causes the characteristic erratic movements associated with HD known as chorea, a dyskinesia. [58] Because of the basal ganglia's inability to inhibit movements, individuals affected by it inevitably experience a reduced ability to produce speech and swallow foods and liquids (dysphagia). [59]
Paroxysmal kinesigenic dyskinesia (PKD), also called paroxysmal kinesigenic choreoathetosis (PKC), is a rare hyperkinetic movement disorder of the paroxysmal dyskinesias characterized by attacks of involuntary movements, which are triggered by sudden voluntary movements.
Choreoathetosis is also a common presentation of dyskinesia as a side effect of levodopa-carbidopa in the treatment of Parkinson disease. [ 1 ] The use of crack cocaine or amphetamines can result in conditions nicknamed crack dancing , or tweaking respectively, described as choreoathetoid.
Hyperkinesia, more specifically chorea, is the hallmark symptom of Huntington's disease, formerly referred to as Huntington's chorea. Appropriately, chorea is derived from the Greek word, khoros, meaning "dance." The extent of the hyperkinesia exhibited in the disease can vary from solely the little finger to the entire body, resembling ...
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