Percutaneous S1 root somatosensory evoked potential

C. R. Bamford, K. Graeme

Research output: Contribution to journalArticlepeer-review


Spinal and cortical evoked potentials were recorded in response to percutaneous stimulation of the first sacral root which was accessed via the dorsal sacral foramen. A very high amplitude spinal response is easily recordable using surface electrodes. Cortical responses were inconsistently elicited and had highly variable latencies, amplitudes and morphologies.

Original languageEnglish (US)
Pages (from-to)181-186
Number of pages6
JournalElectromyography and Clinical Neurophysiology
Issue number3
StatePublished - 1995

ASJC Scopus subject areas

  • Physiology
  • Clinical Neurology
  • Physiology (medical)


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