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Effect of varying sucrose concentration on macrobehavioral aspects of licking in the rat.

Authors
  • Fagen, J W
  • Rycek, R F
  • Ritz, E G
  • Shoemaker, G E
Type
Published Article
Journal
The Journal of general psychology
Publication Date
Oct 01, 1983
Volume
109
Issue
2d Half
Pages
181–187
Identifiers
PMID: 6644278
Source
Medline
License
Unknown

Abstract

Rats (eight male, eight female) were trained to lick 32% and 4% sucrose solutions for three minutes per day on four consecutive days. Measures of the number of licks revealed robust positive and negative contrast effects. Analysis of the burst-pause pattern of licking revealed that the decrease in licking characteristic of the negative contrast effect resulted from a decrease in the number of bursts, while the increase in licking characteristic of the positive contrast effect was the result of a shortening of the interburst interval.

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