Differential heart rate conditioning and lever lift suppression in restrained rabbits

H. A. Swadlow, K. E. Hosking, N. Schneiderman

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Four rabbits received two adaptation sessions to two tones differing in frequency superimposed on a variable interval 30 sec schedule of water reinforcement. This was followed by eight sessions of differential classical conditioning in which one frequency tone was immediately followed by shock, eight sessions of extinction and 16 sessions of discrimination reversal training. During acquisition training all rabbits showed suppression of the lever lift lick (LLL) response and a heart rate (HR) decrease to the reinforced stimulus. Three animals extinguished on both measures after eight sessions of extinction. Although all rabbits subsequently revealed LLL discrimination reversals, evidence, of HR reversal was clearcut in only one animal. The few within animal differences noted in performance between response systems were not attributable to relative differences or changes in baseline behavior.

Original languageEnglish (US)
Pages (from-to)257-260
Number of pages4
JournalPhysiology AND Behavior
Volume7
Issue number2
DOIs
StatePublished - Aug 1971

Keywords

  • Classical conditioning
  • Conditioned suppression
  • Differential conditioning
  • Heart-rate
  • Lever lift licking
  • Rabbits

ASJC Scopus subject areas

  • Physiology (medical)
  • Behavioral Neuroscience

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