... Finally, to examine differences in the timing of assistance between the therapist-control-led and patient-controlled conditions, we calculated the onset of the control signal and the onset of ... in spinal stepping and standing. Advances in Neurology 1997, 72:233-247.8. Lovely RG, Gregor RJ, Roy RR, Edgerton VR: Effects of training on the recovery of full-weight-bearing stepping in the ... possiblydue to the high level of cognitive attention and coordina-tion required. The amplitude and timing of the control signal was simi-lar for the patient-controlled orthoses and therapist-con-trolled...