| Abstract: | Antidromic dorsal root activity during naturally occurring locomotion (swimming and treadmill walking) was investigated during experiments on white rats. The activity observed consisted of phaselinked and tonic components of antidromic action potentials (APP). A strong correlation was found between intensity of AAP and that of afferent input during actual locomotion; AAP correlated less well with degree of electromyographic activity. Possible sources of the initiation of antidromic activity and the part played in spinal reflex control by presynaptic depolarization are discussed.A. A. Bogomolets Institute of Physiology, Academy of Sciences of the Ukrainian SSR, Kiev. Translated from Neirofiziologiya, Vol. 20, No. 5, pp. 579–585, September–October, 1988. |
