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Infant cradling in a captive mother gorilla.
MedLine Citation:
PMID:  19360636     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The purpose of the study presented here was to investigate the handedness and cradling preferences of a mother gorilla (Gorilla gorilla) from the Metro Toronto Zoo. The study also examined preferences for handedness for each member of the captive group. Observational data were collected using scan sampling at 60-sec intervals. Handedness was determined with a coordinated bimanual tube test using peanut butter spread on the interior of a PVC tube. Our findings were largely consistent with the literature on laterality in African apes by documenting a left-side cradling bias for one apparently ambidextrous captive gorilla mother. This bias was associated with a left head positioning preference by her infant. Although based on a single mother/infant pairing, this study indicates that cradling bias is not always determined by maternal handedness. Zoo Biol 27:420-426, 2008. (c) 2008 Wiley-Liss, Inc.
Authors:
Carolyn Begg-Reid; Michael A Schillaci
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Zoo biology     Volume:  27     ISSN:  1098-2361     ISO Abbreviation:  Zoo Biol.     Publication Date:  2008 Sep 
Date Detail:
Created Date:  2009-04-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8807837     Medline TA:  Zoo Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  420-6     Citation Subset:  -    
Affiliation:
Department of Social Sciences, University of Toronto Scarborough, Scarborough, Ont., Canada.
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