Document Detail

Parental division of labor, coordination, and the effects of family structure on parenting in monogamous prairie voles (Microtus ochrogaster).
MedLine Citation:
PMID:  20945408     Owner:  NLM     Status:  MEDLINE    
Family relationships help shape species-typical social and emotional development, but our understanding of how this shaping occurs is still relatively limited. Prairie voles are a socially monogamous and biparental species that is well situated to complement traditional animal models, such as rats and mice, in investigating the effects of family experience. In this series of studies, we aimed to test hypotheses relating to how prairie vole families function under undisturbed, standard laboratory conditions. In the first study, we compared the parental behavior of primiparous biparental (BP) and single-mother (SM) prairie vole family units for 12 postnatal days and then tested for sex differences, behavioral coordination, and family structure effects. Under BP conditions, nest attendance was coordinated and shared equally by both sexes, while pup-directed and partner-directed licking and grooming (LG) were coordinated in a sex and social-context-dependent manner. Contrary to our expectations, SMs showed no evidence of strong parental compensation in response to the lack of the father, indicating a minimal effect of family structure on maternal behavior but a large effect on pup care. In the second study, we examined the effects of these BP and SM rearing conditions on family dynamics in the next generation and found that SM-reared adult parents exhibited lower rates of pup-directed LG in comparison to BP-reared counterparts. Situated in the context of human family dynamics and psychology, these results suggest that the study in prairie voles may help improve our understanding of family systems and how perturbations to these systems can affect adults and offspring.
Todd H Ahern; Elizabeth A D Hammock; Larry J Young
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2010-10-13
Journal Detail:
Title:  Developmental psychobiology     Volume:  53     ISSN:  1098-2302     ISO Abbreviation:  Dev Psychobiol     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-02-07     Completed Date:  2011-06-30     Revised Date:  2013-07-03    
Medline Journal Info:
Nlm Unique ID:  0164074     Medline TA:  Dev Psychobiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  118-31     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Wiley Periodicals, Inc.
Department of Psychiatry and Behavioral Sciences, Center for Behavioral Neuroscience, Emory University, Atlanta, GA 30329, USA.
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MeSH Terms
Analysis of Variance
Behavior, Animal / physiology
Cooperative Behavior*
Grooming / physiology
Maternal Behavior / physiology*
Paternal Behavior / physiology*
Sex Characteristics
Grant Support
K02 MH064692-10/MH/NIMH NIH HHS; MH0732505/MH/NIMH NIH HHS; R01 MH077776-05/MH/NIMH NIH HHS; RR00165/RR/NCRR NIH HHS

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