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Title: Associations between respiratory arrhythmia and fundamental frequency of spontaneous crying in preterm and term infants at term-equivalent age.
Authors: Shinya, Yuta
Kawai, Masahiko  kyouindb  KAKEN_id
Niwa, Fusako  kyouindb  KAKEN_id
Myowa-Yamakoshi, Masako
Author's alias: 新屋, 裕太
河井, 昌彦
丹羽, 房子
明和, 政子
Keywords: heart rate variability
respiratory sinus arrhythmia
vagal tone
cardiac vagal index
autonomic nervous system
frequency (F0)
preterm infants
low-birth-weight infants
Issue Date: 31-Mar-2016
Publisher: Wiley Periodicals, Inc.
Journal title: Developmental psychobiology
Abstract: This study investigated whether lower vagal function in preterm infants is associated with increased fundamental frequency (F0 ; frequency of vocal fold vibration) of their spontaneous cries. We assessed respiratory sinus arrhythmia (RSA) during quiet sleep as a measure of vagal function, and its relationship with the F0 of spontaneous cries in healthy preterm and term infants at term-equivalent age. The results showed that preterm infants have significantly lower RSA, and higher overall F0 than term infants. Moreover, lower RSA was associated with higher overall F0 in preterm infants, whereas higher RSA was positively associated with mean and maximum F0 , and a larger F0 range in term infants. These results suggest that individual differences in vagal function may be associated with the F0 of spontaneous cries via modulation of vocal fold tension in infants at an early developmental stage.
Description: 早産児に対する新たな発達評価法の開発に期待. 京都大学プレスリリース. 2016-04-04.
Rights: © 2016 The Authors. Developmental Psychobiology Published by Wiley Periodicals, Inc. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
DOI(Published Version): 10.1002/dev.21412
PubMed ID: 27037599
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