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Prev Med. 2016 Nov;92:100-105. doi: 10.1016/j.ypmed.2016.06.031. Epub 2016 Jun 30.

Food reinforcement during infancy.

Author information

1
Department of Pediatrics, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, 3435 Main Street, Buffalo, NY, 14214-3000, United States. Electronic address: kkong4@buffalo.edu.
2
Department of Pediatrics, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, 3435 Main Street, Buffalo, NY, 14214-3000, United States. Electronic address: lhenet@buffalo.edu.

Abstract

The motivation to eat, as operationalized by measuring how hard someone will work for food, is cross-sectionally and prospectively related to obesity. Persons high in food reinforcement consume more calories, and energy intake mediates the relationship between food reinforcement and obesity. Research has shown avid sucking for milk in early infancy predicts later adiposity, and the relationship between food reinforcement and excess body weight has been observed in infants as young as 9months of age. New methodological developments in studying food reinforcement in infants and young children provide the first opportunity to study the origin of food reinforcement. This review seeks to provide background on the measurement of food reinforcement, and to present, for the first time, prenatal and postnatal predictors of infant food reinforcement. Lastly, potential mechanisms for an increasing trajectory of food reinforcement throughout development are proposed.

KEYWORDS:

Development; Food reinforcement; Infancy; Obesity

PMID:
27373207
PMCID:
PMC5361189
DOI:
10.1016/j.ypmed.2016.06.031
[Indexed for MEDLINE]
Free PMC Article

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