Reactivity and Regulation in Cortisol and Behavioral Responses to Stress

This study examined relations between reactivity (i.e., peak response) and regulation (i.e., response dampening) in 6-month-old infants' cortisol and behavioral responses to inoculation (N = 62). Data showed that reactivity and regulation were unrelated for both cortisol and behavior. The indep...

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Bibliographic Details
Published in:Child development 2003-03, Vol.74 (2), p.456-464
Main Authors: Ramsay, Douglas, Lewis, Michael
Format: Article
Language:English
Subjects:
Adrenocortical Stress Reactivity
Babies
Behavioral psychophysiology
Behavioral sciences
Behavioural responses
Biological and medical sciences
Child development
Child psychology
Childrens Responses
Cortisol
Developmental psychology
Early childhood
Emotional development
Emotional Regulation
Emotional Response
Empirical Articles
Family studies
Female
Fundamental and applied biological sciences. Psychology
Hormones and behavior
Humans
Hydrocortisone
Hydrocortisone - blood
Individual Differences
Infant
Infant Behavior
Infant Behavior - psychology
Infant Distress
Infants
Inoculation
Male
Measurement Techniques
Mental stress
Newborn. Infant
Pediatrics
Physiological regulation
Psychological stress
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Reactivity
Regulation
Research Methodology
Response Patterns
Responses
Saliva
Self Regulation
Stress
Stress Variables
Stress, Psychological - blood
Stress, Psychological - etiology
Temperament
Test Sensitivity
Timing
Vaccination - psychology
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Summary:This study examined relations between reactivity (i.e., peak response) and regulation (i.e., response dampening) in 6-month-old infants' cortisol and behavioral responses to inoculation (N = 62). Data showed that reactivity and regulation were unrelated for both cortisol and behavior. The independence of reactivity and regulation suggests that measures of both are needed to characterize infant cortisol or behavioral response to stress more completely. For both reactivity and regulation, cortisol and behavior were unrelated, suggesting that measures of both are needed to assess infant stress more adequately. There was considerable variation in the timing of the peak cortisol response, suggesting that obtaining only a single poststressor cortisol sample does not provide a sensitive measure of cortisol reactivity.
ISSN:0009-3920
1467-8624
DOI:10.1111/1467-8624.7402009