[Spinal cord potentials evoked by stimulation of cutaneous afferents in the cat spine (evidence of an N3 wave)].

Negative intermediary cord potentials evoked by low threshold cutaneous afferents were recorded from the surface of the lumbosacral spinal cord. In addition to the N1, N2 waves classically described, it is possible to distinguish a third one names here N3 wave. The characteristics and longitudinal distribution of this wave are different from those of N1 or N2.