Lumbar dorsal root potentials elicited by stimulation of nucleus locus coeruleus

A. Vania Apkarian*, Charles J. Hodge, Richard T. Stevens, Joel I. Franck

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Lumbar dorsal root potentials (DRP) were elicited by nucleus locus coeruleus (LC) stimulation in the cat. Inhibition, by LC stimulation, of dorsal horn cells responding to noxious inputs corresponded in time with the DRPs evoked by LC stimulation. Comparing cutaneous stimulation-evoked DRPs with LC stimulation-evoked DRPs and their respective effects on dorsal horn single-unit activity suggested a shared segmental underlying mechanism and the possible involvement of the coeruleospinal system with that of a diffuse noxious inhibitory suprasegmental loop.

Original languageEnglish (US)
Pages (from-to)202-208
Number of pages7
JournalExperimental Neurology
Issue number1
StatePublished - Jul 1984

ASJC Scopus subject areas

  • Neurology
  • Developmental Neuroscience


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