Document Detail

The effects of cold, rotation, and genotype on the production of ultrasonic calls in infant mice.
MedLine Citation:
PMID:  12211626     Owner:  NLM     Status:  MEDLINE    
There has been a revival of interest recently in the ultrasonic calls of infant rodents as investigators are using them to assess neurobehavioral development and animal models of anxiety. We compared the rates of ultrasonic calling of infant mice of two genotypes in two situations, cold and rotation. The subjects of study were 169 mouse pups from 29 litters and of two F1 genotypes, C57BL/10J x DBA/2J and C57BL/10J x SJL/J. Half of each litter was recorded in a cool situation for 20 seconds and the other half was recorded while rotating at 10 rpm for 20 seconds. All pups were recorded on days of age 2 to 8. Rotation elicited calling at about twice the rate as cool temperature on each day of age and on average across days; situation (cold or rotation) accounted for over 50% of the variation between litters. Genotype also altered call rate, and on some days situation and genotype interacted. In studies of neurobehavioral development and the effects of pharmacological agents on infant mice, it is particularly important to understand the roles of the stimuli and genotypes employed.
Martin E Hahn; Norman Schanz
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Behavior genetics     Volume:  32     ISSN:  0001-8244     ISO Abbreviation:  Behav. Genet.     Publication Date:  2002 Jul 
Date Detail:
Created Date:  2002-09-04     Completed Date:  2002-10-16     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0251711     Medline TA:  Behav Genet     Country:  United States    
Other Details:
Languages:  eng     Pagination:  267-73     Citation Subset:  IM    
Department of Biology, William Paterson University, Wayne, NJ 07470, USA.
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MeSH Terms
Animals, Newborn
Arousal / genetics*
Body Temperature Regulation / genetics*
Cold Temperature
Mice, Inbred Strains
Vocalization, Animal / physiology*

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