Key result
Maturational patterns of heart rate variation correlations were strongly influenced by sleep-waking state, revealing a discontinuity in autonomic development at approximately 1 month of age.
Observational (n=25)
The study identifies a discontinuity in autonomic nervous system development at approximately 1 month of age in normal infants, which is strongly influenced by sleep-waking states.
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Infant HRV assessment requires sleep-state adjustment near 1 month; leaves open predictive value for outcomes.
Schechtman et al. (1993) conducted an observational in Normal infants (n=25). Sleep-waking state and maturation was evaluated on Correlation of median heart rate with heart rate variation. Maturational patterns of heart rate variation correlations were strongly influenced by sleep-waking state, revealing a discontinuity in autonomic development at approximately 1 month of age.
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