1998
DOI: 10.2307/1132194
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Infant Temperament and Cardiac Vagal Tone: Assessments at Twelve Weeks of Age

Abstract: Sixty 12-week-old infants participated in a laboratory study to explore the relations between temperament and cardiac vagal tone. Temperament was evaluated via laboratory observations and maternal ratings. Cardiac vagal tone, measured as the amplitude of respiratory sinus arrhythmia, was quantified from beat-to-beat heart period data collected during a resting baseline period and during the laboratory assessment of temperament. Specific hypotheses were investigated relating temperament to both basal cardiac va… Show more

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Cited by 62 publications
(80 citation statements)
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“…RSA was calculated for every 15-second epoch during the two minute baseline and was then averaged across epochs. Brief epochs such as these are typical and have been validated for short duration tasks such as this one (Huffman et al 1998). High baseline RSA scores indicate high resting vagal tone.…”
Section: Methodsmentioning
confidence: 99%
“…RSA was calculated for every 15-second epoch during the two minute baseline and was then averaged across epochs. Brief epochs such as these are typical and have been validated for short duration tasks such as this one (Huffman et al 1998). High baseline RSA scores indicate high resting vagal tone.…”
Section: Methodsmentioning
confidence: 99%
“…A band-pass filter then extracts the variance of HP within the frequency band of spontaneous respiration in young children: 0.24 -1.04 Hz. Although lower frequency bands may be studied, research with young children has consistently examined this band and identified associations with child functioning (Huffman et al, 1998;Porges et al, 1996;Stifter & Fox, 1990). The estimate of RSA was derived by calculating the natural log of this variance and is reported in units of ln(ms) 2 .…”
Section: Methodsmentioning
confidence: 99%
“…Infants with high basal RSA exhibited less negative affect, and infants with greater RSA withdrawal to stress were rated by their mothers as more easily soothed (Huffman et al, 1998). Similarly, higher basal RSA was related to greater emotional reactivity to both positive and negative events (Fox, 1989), and greater RSA withdrawal was linked with greater social approach in infants (Stifter & Corey, 2001).…”
Section: Rsa and Emotion Regulationmentioning
confidence: 95%