Document Detail


Food Prehension and Manipulation in Microcebus murinus (Prosimii, Cheirogaleidae).
MedLine Citation:
PMID:  22156454     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Among primates, apes and monkeys are known to use their hands and to exhibit independent control of their fingers. In comparison, Prosimii are thought to have less digital individualization and to use their mouth more commonly for prehension. Unfortunately, prehension and manipulation studies in Prosimii have been conducted in conditions constraining the subject to grasp with the hand. Moreover, the effect of food size remains unexplored, even though it could affect the use of the hands versus the mouth. Thus, whether prosimians use the hand or the mouth to grasp and manipulate food items of different sizes in unconstrained conditions remains unclear. To address this question, we characterized the eating and manipulation patterns of Microcebus murinus in unconstrained conditions, using three food sizes. The results showed that M. murinus showed (i) an eating pattern similar to that of rodents, with smaller food items being grasped with the mouth, (ii) a greater tendency to use the hands for prehension of larger foods, and (iii) plasticity during food manipulation similar to that which has been observed in rodents. These results are discussed in the framework of grasping in mammals and are used to discuss the origins of prehension in primates.
Authors:
E Reghem; B Tia; V Bels; E Pouydebat
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-12-09
Journal Detail:
Title:  Folia primatologica; international journal of primatology     Volume:  82     ISSN:  1421-9980     ISO Abbreviation:  -     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370723     Medline TA:  Folia Primatol (Basel)     Country:  -    
Other Details:
Languages:  ENG     Pagination:  177-188     Citation Subset:  -    
Copyright Information:
Copyright © 2011 S. Karger AG, Basel.
Affiliation:
UMR7179, Department of Adaptation and Evolution, CNRS, MNHN, Paris, France.
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