characteristic presentation of a lesion of the descending motor pathways proximal to the decussation, in which the resulting limb weakness is on the side opposite to the brain lesion.
con·tra·lat·er·al hem·i·ple·gi·a
(kon'tră-lat'ĕr-ăl hem'ē-plē'jē-ă) Paralysis occurring on the side opposite to the causal central lesion.