Delay versus trace heart-rate classical discrimination conditioning in rabbits as a function of interstimulus interval

Alexander A. Manning, Neil Schneiderman, Daniel S. Lordahl

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Each of 48 rabbits received 1 adaptation, 8 acquisition, and 1 extinction session in a heart-rate (HR) classical discrimination conditioning experiment using 2 tone CSs and a shock UCS. The experiment was a 2 * 3 factorial design with delay vs. a 5-sec trace CS procedure as 1 dimension and interstimulus intervals (ISIs) of 7, 14, and 21 sec. as the other. Major findings were that (1) level of conditioning (CR +) and discrimination (CR + minus CR-) varied inversely with ISI, (2) better discrimination was observed under the delay than under the trace procedure, and (3) magnitude of HR conditioning and discrimination revealed an inverted U shaped function over acquisition sessions. (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original languageEnglish
Pages (from-to)225-230
Number of pages6
JournalJournal of Experimental Psychology
Volume80
Issue number2 PART 1
DOIs
StatePublished - May 1 1969
Externally publishedYes

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Classical Conditioning
Heart Rate
Rabbits
Shock
Discrimination (Psychology)
Conditioning (Psychology)

Keywords

  • delay vs. trace heart rate classical discrimination conditioning, interstimulus interval, rabbit

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Delay versus trace heart-rate classical discrimination conditioning in rabbits as a function of interstimulus interval. / Manning, Alexander A.; Schneiderman, Neil; Lordahl, Daniel S.

In: Journal of Experimental Psychology, Vol. 80, No. 2 PART 1, 01.05.1969, p. 225-230.

Research output: Contribution to journalArticle

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