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. 1979 Oct;14(2-3):315-9.
doi: 10.1016/0304-3940(79)96167-6.

Locomotion in the decerebrate stingray

R B Leonard, P Rudomín, M H Droge, A E Grossman, W D Willis

Locomotion in the decerebrate stingray

R B Leonard et al. Neurosci Lett. 1979 Oct.

Abstract

Stingrays swim with an active elevation-depression sequence of the pectoral fin resembling an extension-flexion sequence. During forward locomotion this sequence passes caudally along the pectoral fin. Immediately following high decerebration, stingrays are capable of locomotion, and the pattern of muscle activity closely resembles that of intact animals. Spontaneous and midbrain evoked rhythmic motoneuron discharges can be recorded in paralyzed decerebrated animals. In contrast to dogfish sharks, stringrays with high spinal transections do not locomote.

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