Perturbation of the Motor System in Freely Walking Cockroaches

  title={Perturbation of the Motor System in Freely Walking Cockroaches},
  author={Fred Delcomyn},
1. The effects of amputation of a rear leg on the pattern of motor activity in the legs of freely walking cockroaches (Periplaneta americana L.) were studied. 2. Amputation affected both the frequency and the timing (phase) of motor bursts during a stepping cycle. Bursts in the stump of an amputated rear leg and in the contralateral (intact) rear leg often occurred at two or three times the frequency of bursts in the other legs. The remaining legs also showed multiple bursting during some steps… CONTINUE READING