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November 1979

Asterixis in Focal Brain Lesions

Author Affiliations

From the Department of Neurology, Henri Mondor Hospital, University of Paris XII, Créteil, France.

Arch Neurol. 1979;36(11):705-707. doi:10.1001/archneur.1979.00500470075015

• Asterixis was observed in 20 cases of focal brain lesions. Metabolic or toxic factors were excluded. An electromyogram study of asterixis was carried out in nine cases to establish the diagnosis. The site of the focal lesion was either parietal or mesencephalic and was always contralateral to the asterixis. "Focal asterixis" could result from a dysfunction of the sensorimotor integration in the parietal lobe and the midbrain.