期刊
BIOLOGICAL PSYCHOLOGY
卷 108, 期 -, 页码 132-141出版社
ELSEVIER
DOI: 10.1016/j.biopsycho.2015.04.001
关键词
Physiological relationship; Respiratory sinus arrhythmia; Heart rate variability; Maternal infant physiological synchrony; Mother infant interaction; Vagal maturation; Breathing; Social development; 2-Month developmental shift
资金
- Vrije Universiteit Brussel [OZR-1907]
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. (C) 2015 Elsevier B.V. All rights reserved.
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