Learned preference and aversion for complete and isoleucine-devoid diets in rats

Mikako Naito-Hoopes, Laura H. McArthur, Dorothy W. Gietzen, Quinton Rogers

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Choice tests using flavored solutions were conducted to demonstrate a learned preference or aversion in rats fed replete (complete) or isoleucine (ILE)-devoid diets. In the first learning trial, rats demonstrated a preference for the flavored solutions paired with the replete diet at 6 and 24 h (p < 0.001), and an aversion for the solutions paired with the ILE-devoid diet at 6 h (p < 0.05). In the second trial, using a different concentration of tastant, rats ingested significantly more of the flavored solution paired with the replete diet at 24 h (11.4 ± 3.0 g vs. 5.4 ± 1.0 g, respectively; p < 0.05), and significantly more of a novel flavored solution than of the solution paired with the ILE-devoid diet at 24 h (12.4 ± 2.4 g vs. 1.7 ± 0.6 g, respectively; p < 0.001). These results suggest that learning contributes to the rat's ability to self-select diets that promote growth, and that a learning paradigm pairing flavored solutions with complete and indispensible amino acid-devoid diets may be used to demonstrate learned preferences and aversions for such diets in rats.

Original languageEnglish (US)
Pages (from-to)485-494
Number of pages10
JournalPhysiology and Behavior
Volume53
Issue number3
DOIs
StatePublished - Jan 1 1993
Externally publishedYes

Fingerprint

Isoleucine
Diet
Learning
Aptitude
Amino Acids
Growth

Keywords

  • Amino acid imbalance
  • Dietary choice
  • Flavor preference
  • Learned aversion
  • Learned preference
  • Rats

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Behavioral Neuroscience

Cite this

Learned preference and aversion for complete and isoleucine-devoid diets in rats. / Naito-Hoopes, Mikako; McArthur, Laura H.; Gietzen, Dorothy W.; Rogers, Quinton.

In: Physiology and Behavior, Vol. 53, No. 3, 01.01.1993, p. 485-494.

Research output: Contribution to journalArticle

Naito-Hoopes, Mikako ; McArthur, Laura H. ; Gietzen, Dorothy W. ; Rogers, Quinton. / Learned preference and aversion for complete and isoleucine-devoid diets in rats. In: Physiology and Behavior. 1993 ; Vol. 53, No. 3. pp. 485-494.
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