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Hereditary chorea 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 .
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).
Sydenham's chorea is more common in females than males, and most cases affect children between 5 and 15 years of age. Adult onset of Sydenham's chorea is comparatively rare, and the majority of the adult cases are recurrences following childhood Sydenham's chorea (although pregnancy [2] and female hormone treatment [3] are also potential causes).
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 ...
The weaker signals from subthalamic nuclei thus cause reduced initiation and modulation of movement, resulting in the characteristic movements of the disorder, notably chorea. [34] Huntington's disease presents itself later in life even though the proteins that cause the disease works towards manifestation from their early stages in the humans ...
Neuroferritinopathy is primarily diagnosed in older adults, specifically in adults affected by Alzheimer's disease or Parkinson's disease, as iron accumulates in the brain over long periods of time. [3] Neuroferritinopathy is diagnosed using either neuroimaging techniques, physiological tests, or genetic testing.
Several pathogenetic mechanisms for chorea gravidarum have been offered, but none have been proven. History of either rheumatic fever or chorea is suspected: [2] [3] the suggestion is that estrogens and progesterone may sensitize dopamine receptors (presumably at a striatal level) and induce chorea in individuals who are vulnerable to this complication by virtue of preexisting pathology in the ...
Athetosis is a symptom primarily caused by the marbling, or degeneration of the basal ganglia. [citation needed] This degeneration is most commonly caused by complications at birth or by Huntington's disease, in addition to rare cases in which the damage may also arise later in life due to stroke or trauma.
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