Document Detail


Level of deprivation does not affect degree of discounting in pigeons.
MedLine Citation:
PMID:  22983791     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Two experiments tested the effects of food deprivation on discounting in pigeons. An adjusting-amount procedure was used to estimate the subjective value of food at delays ranging from 1 to 24 s. Experiment 1 compared pigeons' discounting of delayed food reinforcers at 75 %-80 % and 90 %-95 % of free-feeding weight. Experiment 2 compared discounting under 1- and 23-h food deprivation. In both experiments at both deprivation levels, discounting was well described by the hyperboloid discounting function. No systematic effect of level of deprivation on degree of discounting was observed in either experiment. This finding is consistent with the view that pigeons' choices are controlled by the relative, rather than the absolute, value of reinforcers.
Authors:
Luís Oliveira; Amanda L Calvert; Leonard Green; Joel Myerson
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-16
Journal Detail:
Title:  Learning & behavior     Volume:  -     ISSN:  1543-4508     ISO Abbreviation:  Learn Behav     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101155056     Medline TA:  Learn Behav     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Psychology, Washington University, Campus Box 1125, St. Louis, MO, 63130, USA.
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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