Reactivity and Developmental Competence in Preterm and Full-Term Infants

Janet A. DiPietro, Stephen W. Porges, Barbara Uhly

Research output: Contribution to journalArticle

Abstract

We evaluated physiological and behavioral reactivity to a novel stimulus in 24 preterm and 24 full-term infants at 8 months and examined its association with developmental competence. Infants who reacted to the stimulus with increased vagal tone more often engaged in focused examination and exhibited greater range in exploratory play than those whose vagal tone decreased in response to the stimulus. Some differences in developmental performance were detected based on term status. Preterm perinatal risk factors were inversely associated with exploratory examination and range. Results are discussed in terms of a challenge model for assessing behavioral and physiological functioning.

Original languageEnglish (US)
Pages (from-to)831-841
Number of pages11
JournalDevelopmental psychology
Volume28
Issue number5
DOIs
StatePublished - Sep 1992

ASJC Scopus subject areas

  • Demography
  • Developmental and Educational Psychology
  • Life-span and Life-course Studies

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