Hemiataxia
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
Hemiataxia is ataxia restricted to one half of the body, occurring in various localizations such as the parietal lobe, internal capsule, pons, and particularly the thalamus and cerebellum. It is frequently combined with hemianesthesia, though cerebellar hemiataxia may occur without sensory disturbances.
Encyclopedia entry (1928–1936)
HEMIATAXIA, ataxia (see), restricted to one half of the body. It occurs in many localizations: upon damage to the parietal lobe, the posterior central gyrus, the internal capsule (posterior limb), the corpora quadrigemina, and the pons (mainly the medio-ventral part of the tegmentum), and especially upon damage to the optic thalamus and the cerebellum and its peduncles. For the most part, hemiataxia is combined with hemianesthesia. Cases are possible where sensory disorders are insignificant, and cerebellar hemiataxia is generally characterized by their complete absence.
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“Hemiataxia.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/hemiataxia/