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Stepping movements evoked by repetitive dorsal root stimulation in a mesencephalic cat

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Abstract

Repetitive stimulation of a dorsal root evoked stepping movements of the hind limbs of a mesencephalic cat on a moving treadmill. The step duration either a) correlated with the stimulus frequency or b) depended entirely on the speed of the treadmill. The stimulus frequency evoking walking in transmamillary preparations, which could not walk on a moving treadmill without electrical stimulation, was 0.5/sec, compared with 2/sec for postmamillary preparations. At higher frequencies of stimulation (not exceeding 20/sec) it was easier to evoke walking in transmamillary than in postmamillary preparations. “Dorsal root walking” was abolished in the spinal cat. Consequently, supraspinal centers participate in its mechanism.

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  1. Interdepartmental Laboratory of Mathematical Methods in Biology, Moscow State University, USSR

    N. N. Budakova

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  1. N. N. Budakova
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Budakova, N.N. Stepping movements evoked by repetitive dorsal root stimulation in a mesencephalic cat. Neurosci Behav Physiol 5, 355–363 (1972). https://doi.org/10.1007/BF01183110

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