The Role of Affectionate Caregiver Touch in Early Neurodevelopment and Parent–Infant Interactional Synchrony

Though rarely included in studies of parent–infant interactions, affectionate touch plays a unique and vital role in infant development. Previous studies in human and rodent models have established that early and consistent affectionate touch from a caregiver confers wide-ranging and holistic benefi...

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Main Authors: Sofia Carozza, Victoria Leong
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-01-01
Series:Frontiers in Neuroscience
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fnins.2020.613378/full
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author Sofia Carozza
Victoria Leong
Victoria Leong
author_facet Sofia Carozza
Victoria Leong
Victoria Leong
author_sort Sofia Carozza
collection DOAJ
description Though rarely included in studies of parent–infant interactions, affectionate touch plays a unique and vital role in infant development. Previous studies in human and rodent models have established that early and consistent affectionate touch from a caregiver confers wide-ranging and holistic benefits for infant psychosocial and neurophysiological development. We begin with an introduction to the neurophysiological pathways for the positive effects of touch. Then, we provide a brief review of how affectionate touch tunes the development of infant somatosensory, autonomic (stress regulation), and immune systems. Affective touch also plays a foundational role in the establishment of social affiliative bonds and early psychosocial behavior. These touch-related bonding effects are known to be mediated primarily by the oxytocin system, but touch also activates mesocorticolimbic dopamine and endogenous opioid systems which aid the development of social cognitive processes such as social learning and reward processing. We conclude by proposing a unique role for affectionate touch as an essential pathway to establishing and maintaining parent-infant interactional synchrony at behavioral and neural levels. The limitations of the current understanding of affectionate touch in infant development point to fruitful avenues for future research.
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spelling doaj.art-73ddddc819d94b69973337998e12fbd32022-12-21T21:57:19ZengFrontiers Media S.A.Frontiers in Neuroscience1662-453X2021-01-011410.3389/fnins.2020.613378613378The Role of Affectionate Caregiver Touch in Early Neurodevelopment and Parent–Infant Interactional SynchronySofia Carozza0Victoria Leong1Victoria Leong2Department of Physiology, Development and Neuroscience, Faculty of Biology, University of Cambridge, Cambridge, United KingdomDivision of Psychology, Nanyang Technological University, Singapore, SingaporeDepartment of Psychology, University of Cambridge, Cambridge, United KingdomThough rarely included in studies of parent–infant interactions, affectionate touch plays a unique and vital role in infant development. Previous studies in human and rodent models have established that early and consistent affectionate touch from a caregiver confers wide-ranging and holistic benefits for infant psychosocial and neurophysiological development. We begin with an introduction to the neurophysiological pathways for the positive effects of touch. Then, we provide a brief review of how affectionate touch tunes the development of infant somatosensory, autonomic (stress regulation), and immune systems. Affective touch also plays a foundational role in the establishment of social affiliative bonds and early psychosocial behavior. These touch-related bonding effects are known to be mediated primarily by the oxytocin system, but touch also activates mesocorticolimbic dopamine and endogenous opioid systems which aid the development of social cognitive processes such as social learning and reward processing. We conclude by proposing a unique role for affectionate touch as an essential pathway to establishing and maintaining parent-infant interactional synchrony at behavioral and neural levels. The limitations of the current understanding of affectionate touch in infant development point to fruitful avenues for future research.https://www.frontiersin.org/articles/10.3389/fnins.2020.613378/fulltouchsynchronysocial interactionoxytocinneurodevelopmentparent–infant
spellingShingle Sofia Carozza
Victoria Leong
Victoria Leong
The Role of Affectionate Caregiver Touch in Early Neurodevelopment and Parent–Infant Interactional Synchrony
Frontiers in Neuroscience
touch
synchrony
social interaction
oxytocin
neurodevelopment
parent–infant
title The Role of Affectionate Caregiver Touch in Early Neurodevelopment and Parent–Infant Interactional Synchrony
title_full The Role of Affectionate Caregiver Touch in Early Neurodevelopment and Parent–Infant Interactional Synchrony
title_fullStr The Role of Affectionate Caregiver Touch in Early Neurodevelopment and Parent–Infant Interactional Synchrony
title_full_unstemmed The Role of Affectionate Caregiver Touch in Early Neurodevelopment and Parent–Infant Interactional Synchrony
title_short The Role of Affectionate Caregiver Touch in Early Neurodevelopment and Parent–Infant Interactional Synchrony
title_sort role of affectionate caregiver touch in early neurodevelopment and parent infant interactional synchrony
topic touch
synchrony
social interaction
oxytocin
neurodevelopment
parent–infant
url https://www.frontiersin.org/articles/10.3389/fnins.2020.613378/full
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