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

Authors
Type
Published Article
Journal
The Journal of general psychology
Publication Date
Volume
109
Issue
2d Half
Pages
181–187
Identifiers
PMID: 6644278
Source
Medline

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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