Differential operant conditioning of heart rate in the restrained monkey

Bernard T. Engel, Sheldon H. Gottlieb

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


Trained each of 3 rhesus monkeys to slow and to speed its heart rate to avoid electric shock. All Ss learned. Each Ss' performance was highly reliable from session to session. Blood pressures did not significantly differ between the slowing and speeding contingencies. Heart rates and blood pressures were significantly highly positively correlated during heart-rate slowing but were uncorrelated during heart-rate speeding indicating that the physiological mechanisms of slowing and speeding were different. The animal preparation described is chronic, highly reliable, and physiologically accessible for a wide variety of measurements. It should be quite valuable in studies of operant cardiac control and in studies of physiological mechanisms associated with cardiac changes in the intact primate. (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original languageEnglish (US)
Pages (from-to)217-225
Number of pages9
JournalJournal of Comparative and Physiological Psychology
Issue number2
StatePublished - Nov 1970
Externally publishedYes


  • correlation with blood pressure during slowing &
  • operant conditioning of heart rate &
  • speeding, monkey

ASJC Scopus subject areas

  • General Medicine


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