Hyperkinesis
Hyperkinesis (hyperkinesis; Greek hyper- - excessively, over, above + Greek kinesis - movement) - violent automatic movements resulting from involuntary contractions of various muscle groups.
Allocate hyperkinesis:
- athetoid (athetoidea; synonym: athetosis) - characterized by slow involuntary pretentious, stereotypical, small amount of movement in the distal extremities, often extending to the muscles of the face and proximal extremities; develops against the background of damage to the striatum in the area of the shell and caudate nucleus;
- hysterical (hysterica; synonym: functional hyperkinesis) - observed in hysteria, characterized by normal muscle tone and pretentiousness of movements, aggravated by emotional excitement and passing at rest;
- curricular hyperkinesis (corticalis) - manifested by clonic convulsions, which develops when the motor area of the cerebral cortex is irritated by any pathological process;
- organic (organica) - proceeding with a change in muscle tone, noted against the background of organic lesions of the brain, in most cases - striopallidal system;
- choreic hyperkinesis (choreica; synonym: choreic syndrome) - manifested in the form of disorderly, sweeping, fast movements against the background of muscular hypotension;
- extrapyramidal (extrapyramidalis; synonym: subcortical hyperkinesis) is a name that combines hyperkinesis that occurs with lesions of the extrapyramidal system (hemiballism, torsion spasm, athetosis, etc.).
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