The Development of Reward Response to Food in Infancy

Study Overview
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Brief Summary
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In this study the researchers want to learn more about reward-driven eating behavior in children ages 2 to 18 months. The researchers hope to use this knowledge to help inform obesity prevention programs.

Detailed Description
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The study will comprise two arms and each arm has a different time perspective. The longitudinal arm is prospective in nature and the cross-sectional arm has a cross-sectional time perspective. The video observation is completed at a single time point (although standardized by inclusion criteria).

Official Title
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The Development of Reward Response to Food in Infancy

Conditions
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Eating Behavior

Participation Criteria
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Eligibility Criteria
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For the Longitudinal Arm: Inclusion Criteria Baby is alive Baby is 6 to 16 weeks old at time of enrollment Baby and mother receive care at Michigan Medicine, and specifically: Baby was born at Michigan medicine Baby has had a 2 month well child check Mother received prenatal care at Michigan Medicine Mother has a linked patient profile to baby's profile Baby has a length and weight measurement on record Mother is English speaking Exclusion Criteria Baby is a foster child Baby was still in hospital 4 days after birth Baby has severe perinatal or neonatal medical problems Baby has severe developmental delays Multiple births For the Cross Sectional: Inclusion Criteria Enrolled in longitudinal arm of study Eligible to complete all three protocols (Two Oatmeal and Reaching) as per protocol screeners Baby is alive Baby is 5 to 7 months old at the time of enrollment Mother is biological mother Mother is legal guardian Mother is English speaking Exclusion Criteria Baby had severe perinatal or neonatal medical problems Baby currently has severe medical problems Baby has severe developmental delays Mom had severe complications during pregnancy Multiple Births Food allergies

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Longitudinal<br>The researchers will be evaluating baseline indicators of wanting salience and liking between 2 and 6 month olds, with the goal of following up with these families at 24 months and beyond by reviewing the dyads' medical charts. The researchers will also examine direct and indirect associations between reward-driven eating, and maternal and infant characteristics and infant weight-for-length. | |
| Cross-sectional<br>The researchers will as the mother to answer questionnaires and participate in up to two video taped behavioral protocols when the infant is 6 months old. | |

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Association of trajectory membership and body mass index z-score (BMIz) | Trajectory membership could be wanting, salience, or liking | Time Frame: 24 months | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Reward-driven Eating, Infant, Maternal