Heart-rate classical conditioning in rabbits to hypothalamic or septal US stimulation

D. H. VanDercar, A. J. Elster, Neil Schneiderman

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Abstract

Paired electrical stimulation of 1 lateral geniculate nucleus (LGN) in 14 rabbits with septal (N = 6) or hypothalamic (N = 8) stimulation as the UCS, whereas stimulation of the contralateral LGN was presented unpaired with the UCS. Heart rate (HR) but not blood pressure (BP) discriminations were formed between geniculates. UCR and CR HRs were decreases in normal rate. Latency of the BP UCR consisting of an elevation of mean pressure was shorter than that of the HR UCR. The HR CRs occurred in the absence of BP CRs. Results agree with previous rabbit conditioning studies which used peripheral shock as the UCS and found that development, but not elaboration of the HR CR, is influenced by unconditioned increases in BP. (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original languageEnglish
Pages (from-to)145-152
Number of pages8
JournalJournal of Comparative and Physiological Psychology
Volume72
Issue number1
DOIs
StatePublished - Jul 1 1970
Externally publishedYes

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Keywords

  • hypothalamic vs. septal UCS stimulation, heart rate classical conditioning, rabbit

ASJC Scopus subject areas

  • Medicine(all)

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