Identification of nocifensor reflex-related neurons in the rostroventromedial medulla of decerebrated rats

R. W. Clarke, M. M. Morgan, Mary Heinricher

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Abstract

Extracellular single unit recordings were made from neurons in the rostroventromedial medulla of decerebrated rats. The previously described 'on-cell' and 'off-cell' classes were found in this preparation, and this classification, which is based on tail flick-related changes in activity, was not altered by the introduction or removal of halothane anesthesia. It is therefore evident that the identifying physiological properties of on- and off-cells are not dependent on the presence of anesthesia in decerebrate rats, or on brain structures rostral to the inferior colliculi.

Original languageEnglish (US)
Pages (from-to)169-174
Number of pages6
JournalBrain Research
Volume636
Issue number1
DOIs
Publication statusPublished - Feb 4 1994
Externally publishedYes

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Keywords

  • Decerebrated
  • Nociception
  • Off-cell
  • On-cell
  • Rostroventromedial medulla
  • Tail flick
  • Unanesthetized

ASJC Scopus subject areas

  • Developmental Biology
  • Molecular Biology
  • Clinical Neurology
  • Neuroscience(all)

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