Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2003-4-2
pubmed:abstractText
Physical activity and balance performance were examined in gray mouse lemurs (Microcebus murinus) aging from 1 to 10 years of age. Home cage spontaneous activity, physical and behavioral activities in an open-field test and balance performance at the Rotarod test were evaluated. In this prosimian primate, which life span reaches 8-10 years in captivity, balance performance at the Rotarod test showed a clear decrease with age. Latency to fall decreased from 154.7+/-13.5s in the youngest group of animals to 31.2+/-5.4s in animals aging 6 years or more. A significant decrease was noticeable as early as 4 years of age. In a familiar cage, locomotor activity and jumping frequency were reduced in aged animals compared to adults. In contrast, when introduced in an open field, aged animals exhibited an increase in locomotor activity and sniffing frequency when compared to younger animals, while latency to first movement was higher in the adult than in the aged subjects. Based on these results, repeated behavioral testing should be initiated early in the life of this species, in association with an evaluation of visual and olfactory capacities. These findings are important to take into account if detailed evaluations of sensory-motor performances are required in studies on aging processes in primates.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
0531-5565
pubmed:author
pubmed:issnType
Print
pubmed:volume
38
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
407-14
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
2003
pubmed:articleTitle
Physical activity and balance performance as a function of age in a prosimian primate (Microcebus murinus).
pubmed:affiliation
Laboratoire d'Ecologie Générale, Muséum National d'Histoire Naturelle, CNRS UMR 8571, 4 Avenue du Petit Château, 91800 Brunoy, France. florence.nemoz-bertholet@libertysurf.fr
pubmed:publicationType
Journal Article