Relationship between the physiological synchrony and social cognitive development between human infants and their mothers: A longitudinal study

Relationship between the physiological synchrony and social cognitive development between human infants and their mothers: A longitudinal study - Relationship between the physiological synchrony and social cognitive development between human infants and their mothers: A longitudinal study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000052509

Enrollment

300

Registered

2023-11-01

Start date

2023-10-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy adult and child

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. firstborn infants and their mothers 2. who live mainly in Japan 3. be able to cooperate in the study at 8 months and 18 months of age, both at the lab and at home 4. adult (over 18 years old) caregivers

Exclusion criteria

Exclusion criteria: 1. caregivers who are in the hospital due to mental or physical illness 2. infants at risk for severe developmental disabilities, such as those with chromosomal abnormalities 3. caregivers who are unable to understand the study or answer the questionnaire in Japanese

Design outcomes

Primary

Measure	Time frame
This study examines developmental changes in the relationship between gut microbiota, autonomic nervous system, and social cognitive development in infants and their caregivers (mothers) in Japan.	—

Secondary

Measure	Time frame
We will examine the relationship between the intestinal microbiota and the following variables in order to identify factors related to the physical and mental development of infants. 1 lifestyle habit (e.g., food habit, sleep schedule, exercise habits) 2 physical characteristics (e.g., allergy, susceptibility to cold viruses) 3 psychological traits of mothers (e.g., stress, depressive tendency) 4 infant behavioral characteristics (e.g., temperament)	—

Measure

Time frame

We will examine the relationship between the intestinal microbiota and the following variables in order to identify factors related to the physical and mental development of infants. 1 lifestyle habit (e.g., food habit, sleep schedule, exercise habits) 2 physical characteristics (e.g., allergy, susceptibility to cold viruses) 3 psychological traits of mothers (e.g., stress, depressive tendency) 4 infant behavioral characteristics (e.g., temperament)

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Countries

Japan

Contacts

Public ContactMasako Myowa

Kyoto University Graduate School of Education

myowa.masako.4x@kyoto-u.ac.jp075-753-3074

Outcome results