The Denny-Brown collection of primate lesion material was used to test the hypothesis that there is a difference in the rate of forelimb and hind limb recovery of locomotor movements after major unilateral cerebral ablation (pre/postcentral gyrus, decortication or hemispherectomy). The results indicate that, following major cerebral injury, hind limb recovery precedes that of the forelimb in adolescent and adult primates, but not in infants. This suggests that there is an underlying physiological basis to the widely-held belief that, in humans, lower limb recovery after stroke is generally more complete than that of the upper limb.
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