Newborn heart-rate response and response habituation as a function of stimulus duration

Journal of Experimental Child PsychologyPublished 1 June 1968

Rachel K. Clifton, Frances K. Graham, Helen M. Hatton

DOI10.1016/0022-0965(68)90090-8

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Citations47

SJR quartileQ1

SJR score1.12

SNIP1.17

TL;DR

The heart-rate response of newborns to auditory stimulation was found to be an inverted U-function of stimulus duration, suggesting that conflicting results of earlier studies might be reconciled on the assumption that the duration yielding maximal response is a function of stimulus intensity.

Abstract

The heart-rate response of newborns to auditory stimulation was found to be an inverted U-function of stimulus duration. Groups of 20 Ss each were tested with a 2, 6, 10, 18, or 30-second 75 db stimulus. Response to all stimuli was a heart-rate acceleration whose peak magnitude, latency, and duration varied with stimulus duration and with stimulus repetition. Maximal response occurred following the 10-second stimulus. Repetition of the four longest stimuli led to response decrement but there was no habituation of response to the 2-second stimulus. It was suggested that conflicting results of earlier studies might be reconciled on the assumption that the duration yielding maximal response is a function of stimulus intensity.

Keywords

PsychologyNeuroscience

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