Document Detail


Food stealing by young Norway rats (Rattus norvegicus).
MedLine Citation:
PMID:  11334214     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Six experiments were undertaken to explore factors affecting young rats' (Rattus norvegicus) frequencies of stealing food from conspecifics when identical food is available in surplus. It was found that (a) rats would walk across a bed of pellets to steal the particular pellet a peer was eating, (b) frequency of stealing within a pair did not decrease over days, (c) rats stole unfamiliar foods more frequently than familiar foods, (d) younger rats stole from older rats more frequently than older rats stole from younger ones, (e) hungry rats stole more frequently than replete rats, and (f) rats that had stolen a pellet of unfamiliar food from an anesthetized conspecific subsequently exhibited an enhanced preference for that food. Results suggest that food stealing is a mode of active seeking of information about what foods to eat.
Authors:
B G Galef; C A Marczinski; K A Murray; E E Whiskin
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of comparative psychology (Washington, D.C. : 1983)     Volume:  115     ISSN:  0735-7036     ISO Abbreviation:  J Comp Psychol     Publication Date:  2001 Mar 
Date Detail:
Created Date:  2001-05-03     Completed Date:  2001-09-13     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8309850     Medline TA:  J Comp Psychol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  16-21     Citation Subset:  IM    
Affiliation:
Department of Psychology, McMaster University, Hamilton, Ontario, Canada. galef@mcmaster.ca
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MeSH Terms
Descriptor/Qualifier:
Animals
Appetitive Behavior*
Competitive Behavior*
Female
Food Preferences / psychology*
Rats
Rats, Long-Evans

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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