Infant rhythms versus parental time: Promoting parent–infant synchrony

Guédeney, Antoine; Guédeney, Nicole; Tereno, Susana; Dugravier, Romain; Greacen, Tim; Welniarz, Bertrand; Tubach, Florence

doi:10.1016/j.jphysparis.2011.07.005

Cited by 38 publications

(25 citation statements)

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“…Several studies, based on animal models and human perinatal development, suggest that stable patterns of repeated stimuli in the form of maternal physiological rhythms, involving cross-modal perception such as regular cardiac rhythm, which provides the fetus with auditory and vibratory stimuli, allow the fetus to integrate sensory information facilitating prenatal perceptual learning and to develop a coherent representation of his or her internal and external environment [154-156]. Fluctuations in physiological rhythms (variants), such as variations in the maternal cardiac rhythm and also variations in hormone levels involved in the circadian rhythms that are already present during the fetus life (the fetus’ circadian rhythms are the mother’s ones), occurring in a background of regular repetition of identical sequences (invariants), may help the fetus to develop the ability to adapt to change in an environment characterized by high regularity.…”

Section: Discussionmentioning

confidence: 99%

Melatonin: Pharmacology, Functions and Therapeutic Benefits

et al. 2017

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Background: Melatonin synchronizes central but also peripheral oscillators (fetal adrenal gland, pancreas, liver, kidney, heart, lung, fat, gut, etc.), allowing temporal organization of biological functions through circadian rhythms (24-hour cycles) in relation to periodic environmental changes and therefore adaptation of the individual to his/her internal and external environment. Measures of melatonin are considered the best peripheral indices of human circadian timing based on an internal 24-hour clock.Methods: First, the pharmacology of melatonin (biosynthesis and circadian rhythms, pharmacokinetics and mechanisms of action) is described, allowing a better understanding of the short and long term effects of melatonin following its immediate or prolonged release. Then, research related to the physiological effects of melatonin is reviewed.Results: The physiological effects of melatonin are various and include detoxification of free radicals and antioxidant actions, bone formation and protection, reproduction, and cardiovascular, immune or body mass regulation. Also, protective and therapeutic effects of melatonin are reported, especially with regard to brain or gastrointestinal protection, psychiatric disorders, cardiovascular diseases and oncostatic effects.Conclusion: This review highlights the high number and diversity of major melatonin effects and opens important perspectives for measuring melatonin as a biomarker (biomarker of early identification of certain disorders and also biomarker of their follow-up) and using melatonin with clinical preventive and therapeutic applications in newborns, children and adults based on its physiological regulatory effects.

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Section: Discussionmentioning

confidence: 99%

Melatonin: Pharmacology, Functions and Therapeutic Benefits

et al. 2017

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“…Infant circadian rhythm is an early expression of temporal regulatory ability and characterized by development over time of twenty-four hour, diurnal pattern. Temporal coordination of infant and mother circadian rhythm represents physiological synchrony (1) which is foundational for further establishment of rhythmic, reciprocal maternal-infant interaction and infant regulatory ability (2-4). Infant establishment of the typical social day is an essential developmental achievement.…”

Section: Introductionmentioning

confidence: 99%

Mother–infant circadian rhythm: Development of individual patterns and dyadic synchrony

Thomas

Burr

Spieker

et al. 2014

Early Human Development

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Background Mutual circadian rhythm is an early and essential component in the development of maternal-infant physiological synchrony. Aims To examine the longitudinal pattern of maternal-infant circadian rhythm and rhythm synchrony as measured by rhythm parameters. Study Design In-home dyadic actigraphy monitoring at infant age 4, 8, and 12 weeks. Subjects Forty-three healthy mother-infant pairs. Outcome Measures Circadian parameters derived from cosinor and non-parametric analysis including mesor, magnitude, acrophase, L5 and M10 midpoints (midpoint of lowest 5 and highest 10 hours of activity), amplitude, interdaily stability (IS), and intradaily variability (IV). Results Mothers experienced early disruption of circadian rhythm, with re-establishment of rhythm over time. Significant time effects were noted in increasing maternal magnitude, amplitude, and IS and decreasing IV (p < .001). Infants demonstrated a developmental trajectory of circadian pattern with significant time effects for increasing mesor, magnitude, amplitude, L5, IS, and IV (p < .001). By 12 weeks, infant phase advancement was evidenced by mean acrophase and M10 midpoint occurring 60 and 43 minutes (respectively) earlier than at 4 weeks. While maternal acrophase remained consistent over time, infants became increasingly phase advanced relative to mother and mean infant acrophase at 12 weeks occurred 60 minutes before mother. Mother-infant synchrony was evidenced in increasing correspondence of acrophase at 12 weeks (r = 0.704), L5 (r = 0.453) and M10 (r = 0.479) midpoints. Conclusions Development of mother-infant synchrony reflects shared elements of circadian rhythm.

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“…This idea is strongly supported by works on the role of rhythms in attachment. These works show the importance of the synchrony in parent-infant relations for the infant's development (Guedeney et al, 2008(Guedeney et al, , 2011.…”

Section: Rhythmic Structure Of Intersubjective Developmental Processesmentioning

confidence: 81%