From Big Medical Encyclopedia

PARAKINESIAS (parakinesis, singular; grech, para near + kinesis movement; synonym syndrome of the automated gesticulation) — the special form of the involuntary polymorphic stereotypic movements which are quite often observed in the acute period of severe defeats of usually right cerebral hemisphere is more often at injuries and disturbances of cerebral circulation.

Parakinesias were studied in 1923 by A. Jakob, in 1932 — S. N. Davidenkov, in 1953 — N. K. Bogolepov as hyperkinesias like gesticulation. The Item is the cornerstone, apparently, the disturbance of relationship between a cerebral cortex and subcrustal structures caused by influence of the massive center of defeat and connected with disorder of the special functions of the right hemisphere concerning a gnozis. and nek-ry types of a praksis.

Parakinesias are observed in not paralyzed extremities and remind in character autokinesias: palpation, stroking, pat of on various body parts, bending and extension of a leg, capture and a tension a hand of a blanket or sheet, etc. At the same time in opposite extremities deep central paresis or full paralysis is noted. The patient is in a condition of the dulled consciousness or in unconsciousness. On EEG the considerable diffusion changes reflecting weight of a basic disease come to light.

Parakinesias are a sign of the adverse forecast of a basic disease.

Bibliography: Babenkova S. V. To a question of the automated movements (parakinesias), Zhurn, a neuropath, and psikhiat., t. 63, No. 12, page 1761, 1963; it, Clinical syndromes of defeat of the right parencephalon at an acute stroke, M., 1971, bibliogr.; B about-golepov N. K. Disturbances of motive functions at vascular damages of a brain, page 187, M., 1953; The Multivolume guide to neurology, under the editorship of S. N. Davidenkov, t. 2, page 148, M., 1962.

S. V. Babenkova.