Title: Hyperkinetic Movement Disorders: Chorea, Tic, and Dystonia
Abstract: Hyperkinetic movement disorders are characterized by an excess of movement. This chapter outlines the classification, causes, and treatment of chorea, tic disorders, and dystonia. The term <italic>chorea</italic> refers to dancelike irregular, arrhythmic, rapid, involuntary movements that appear to flow between muscle groups. Athetosis, a slower and twisting dystonialike movement, may be superimposed with chorea, leading to choreoathetosis. Ballism is a form of high-amplitude and proximal chorea that has the appearance of flailing movement.
Publication Year: 2021
Publication Date: 2021-11-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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