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Related Experiment Video

Updated: May 13, 2026

A Common Marmoset Model of Mother-Infant Intervention for Breastfeeding Disorders in the Presence of Paternal Inhibition and Maternal Neglect

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Japanese mother-infant collaborative adjustment in solid feeding.

Noriko Toyama¹

¹Department of International and Cultural Studies, Tsuda College, Tokyo, Japan. toyama@tsuda.ac.jp

Infant Behavior & Development

|March 19, 2013

Summary

Caregiver-infant feeding interactions during weaning involve synchronized movements. Mothers

Area of Science:

Developmental Psychology
Behavioral Science
Human-Computer Interaction

Background:

Infant solid feeding is a collaborative process between caregivers and infants.
Infants lack self-feeding skills during weaning, necessitating caregiver involvement.

Purpose of the Study:

To examine caregiver-infant coordination during solid feeding interactions.
To analyze naturalistic longitudinal observations of mother-infant dyads during weaning.

Main Methods:

Longitudinal observation of three Japanese mother-infant dyads.
Analysis of caregiver and infant movement patterns during feeding.
Correlating maternal feeding styles with infant responses.

Main Results:

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Maternal arm movements became less fluid post-weaning, correlating with infant mouth movements.
Maternal arm movement development outpaced infant mouth movement development.
Mothers exhibited 'eating-like' mouth movements, frequency varied by feeding style.

Conclusions:

Maternal eating-like mouth movements are crucial for the weaning process.
Imbalances in developmental pace between mother and infant may cause feeding non-fluency.
Synchronized movement patterns highlight the interactive nature of infant feeding.