Whose clock makes yours tick? How maternal cardiorespiratory physiology influences newborns' heart rate variability

Van Puyvelde, Martine, Loots, Gerrit, Meys, Joris, Neyt, Xavier, Mairesse, Olivier, Simcock, David, and Pattyn, Nathalie (2015) Whose clock makes yours tick? How maternal cardiorespiratory physiology influences newborns' heart rate variability. Biological Psychology, 108. pp. 132-141.

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Abstract

This study examined the existence of direct maternal–infant physiological relatedness in respiratory sinus arrhythmia (RSA) when the infant was age 1, 2, 4, 8, and 12 weeks. We instructed mothers to breathe at 6, 12, 15, 20, and 6 cycles per minute while their infants lay on their body. The mother–infant ECG and respiration were registered and video recordings were made. RR-interval (RRI), respiration rate (fR) and RSA were calculated and mother–infant RSA response-patterns were analyzed. The results revealed that infants adjusted their RSA levels to their mothers' levels during the first 2 months of life, but not at 3 months of age, which could be interpreted as a continuing intra-uterine effect. The attenuation between 2 and 3 months could be a reflection of the 2-month developmental shift of social orientation.

Item ID: 41649
Item Type: Article (Research - C1)
ISSN: 1873-6246
Keywords: physiological relationship, respiratory sinus arrhythmia, heart rate variability, maternal infant physiological synchrony, mother infant interaction, vagal maturation, breathing, social development, 2-month developmental shift
Funders: Vrije Universiteit Brussel (VUB)
Projects and Grants: VUB OZR-1907
Date Deposited: 08 Dec 2015 16:25
FoR Codes: 17 PSYCHOLOGY AND COGNITIVE SCIENCES > 1701 Psychology > 170101 Biological Psychology (Neuropsychology, Psychopharmacology, Physiological Psychology) @ 100%
SEO Codes: 92 HEALTH > 9202 Health and Support Services > 920209 Mental Health Services @ 50%
97 EXPANDING KNOWLEDGE > 970117 Expanding Knowledge in Psychology and Cognitive Sciences @ 50%
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