Auditory evoked heart rate responses in pigtailed macaques (Macaca nemestrina) raised in isolation

R. E. Martin, G. P. Sackett, V. M. Gunderson, B. L. Goodlin-Jones

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

Heart rate (HR) responses evoked by 1 sec of 85-dB white noise were studied in 12 1-year-old pigtailed macaques, 6 of which were raised in social isolation and 6 with mothers and peers. Tests were given for 5 days, with 25 trials each day. Although baseline HR did not differ between groups, the pattern of change from baseline was not the same. Isolates showed only HR acceleration, returning to baseline within 10-11 sec of stimulus onset. Socially reared monkeys had a 10- to 11-sec biphasic response of acceleration followed by deceleration, with subsequent return to baseline. The same group difference in HR pattern occurred when subjects were tested with a less intense 65-dB stimulus. These findings were discussed in terms of activity, emotionality, and autonomic regulatory functions. It was concluded that early rearing experiences may affect later physiological processes involving autonomic nervous system balance. This conclusion was related to observations of persistent individual differences in HR by human children classified as inhibited.

Original languageEnglish (US)
Pages (from-to)251-260
Number of pages10
JournalDevelopmental Psychobiology
Volume21
Issue number3
StatePublished - 1988
Externally publishedYes

ASJC Scopus subject areas

  • Developmental Biology
  • Embryology
  • Psychology(all)

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    Martin, R. E., Sackett, G. P., Gunderson, V. M., & Goodlin-Jones, B. L. (1988). Auditory evoked heart rate responses in pigtailed macaques (Macaca nemestrina) raised in isolation. Developmental Psychobiology, 21(3), 251-260.