Document Detail

The ontogeny of autonomic measures in 6- and 12-month-old infants.
MedLine Citation:
PMID:  16568414     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to develop a standardized protocol to measure preejection period (PEP), a measure of sympathetic nervous system, and respiratory sinus arrhythmia (RSA), a measure of parasympathetic nervous system, during resting and challenging states for 6- and 12-month-old infants and to determine developmental changes and individual stability of these measures. A 7-min reactivity protocol was administered to Latino infants at 6 months (n=194) and 12 months (n=181). Results showed: (1) it is feasible to measure PEP and RSA in infants, (2) the protocol elicited significant autonomic changes, (3) individual resting autonomic measures were moderately stable from 6 to 12 months, but reactivity measures were not stable, and (4) heart rate and RSA resting and challenge group means changed significantly from 6 to 12 months. Findings suggest that although infants' autonomic responses show developmental changes, individuals' rank order is stable from 6 to 12 months of age.
Abbey Alkon; Suzanne Lippert; Nicole Vujan; Marya Eugenya Rodriquez; W Thomas Boyce; Brenda Eskenazi
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S.; Validation Studies    
Journal Detail:
Title:  Developmental psychobiology     Volume:  48     ISSN:  0012-1630     ISO Abbreviation:  Dev Psychobiol     Publication Date:  2006 Apr 
Date Detail:
Created Date:  2006-04-03     Completed Date:  2006-09-15     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0164074     Medline TA:  Dev Psychobiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  197-208     Citation Subset:  IM    
Copyright Information:
Copyright (c) 2006 Wiley Periodicals, Inc.
School of Nursing, University of California, San Francisco, CA 94143-0606, USA.
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MeSH Terms
Age Factors
Analysis of Variance
Autonomic Pathways / physiology*
Child Development / physiology
Cohort Studies
Galvanic Skin Response / physiology
Heart Rate / physiology*
Hispanic Americans
Longitudinal Studies
Parasympathetic Nervous System / physiology
Reproducibility of Results
Rest / physiology
Sex Factors
Sympathetic Nervous System / physiology
Grant Support
2 P01 ES009605-06/ES/NIEHS NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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