title: Possible model for generation of P9 far-field potentials.
abstract: The distribution of P9 far-field somatosensory evoked potentials, after stimulation of the median nerve with a knee reference, was examined to determine the mechanism of the generation of P9 potentials. In addition to positive potentials (P9s), we found a negative potential (N9) recorded from the chest ipsilateral to the stimulation. The simulation of the distribution of these P9/N9 potentials by an electrical circuit diagram suggested the validity of this model for generation of the P9s.
authors.affiliation: Department of Neurology, Tenri Hospital, Nara, Japan.
authors.forename: S
authors.initials: S
authors.lastname: Hashimoto
authors.forename: J
authors.initials: J
authors.lastname: Kawamura
authors.forename: Y
authors.initials: Y
authors.lastname: Segawa
authors.forename: T
authors.initials: T
authors.lastname: Yamamoto
authors.forename: M
authors.initials: M
authors.lastname: Nakamura
mesh_terms: D004558:Electric Stimulation; D005073:Evoked Potentials, Somatosensory; D006801:Humans; D008475:Median Nerve / Q000502:physiology