Early somatosensory potentials evoked by median nerve stimulation: Intraoperative monitoring

R. P. Lesser, H. Lueders, J. Hahn, George Klem

Research output: Contribution to journalArticle

Abstract

We identified the sites of origin of the somatosensory evoked potentials to median nerve stimulation by recording directly from the cervical cord in the course of intraoperative monitoring. The N9 potential occurred before any potentials recorded from the cord or dorsal roots. Potentials with latencies corresponding to N11 were recorded at the median nerve root entry zone of the lower cervical cord. High-amplitude potentials were recorded at the level of the foramen magnum, with latencies approximating or following P13, suggesting that this potential is generated at the cervicomedullary junction.

Original languageEnglish (US)
Pages (from-to)1519-1523
Number of pages5
JournalNeurology
Volume31
Issue number12
DOIs
StatePublished - Dec 1981
Externally publishedYes

ASJC Scopus subject areas

  • Clinical Neurology

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