Modeling eating behaviors: The role of environment and positive food association learning via a Ratatouille effect

Anarina L.  Murillo; Muntaser  Safan; Carlos  Castillo-Chavez; Elizabeth D. Capaldi  Phillips; Devina  Wadhera

doi:10.3934/mbe.2016020

Article Contents

2016, Volume 13, Issue 4: 841-855. Doi: 10.3934/mbe.2016020 open access

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Modeling eating behaviors: The role of environment and positive food association learning via a Ratatouille effect

1.
Simon A Levin Mathematical, Computational and Modeling Sciences Center, Arizona State University, Tempe, AZ
2.
Mathematics Department, Faculty of Science, Mansoura University, Mansoura
3.
Conditioned Feeding Lab, Behavioral Neuroscience, Department of Psychology, Arizona State University, Tempe, AZ

Received: November 30, 2015

Revised: November 30, 2015

Published: April 2016

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Abstract

Eating behaviors among a large population of children are studied as a dynamic process driven by nonlinear interactions in the sociocultural school environment. The impact of food association learning on diet dynamics, inspired by a pilot study conducted among Arizona children in Pre-Kindergarten to 8th grades, is used to build simple population-level learning models. Qualitatively, mathematical studies are used to highlight the possible ramifications of instruction, learning in nutrition, and health at the community level. Model results suggest that nutrition education programs at the population-level have minimal impact on improving eating behaviors, findings that agree with prior field studies. Hence, the incorporation of food association learning may be a better strategy for creating resilient communities of healthy and non-healthy eaters. A Ratatouille effect can be observed when food association learners become food preference learners, a potential sustainable behavioral change, which in turn, may impact the overall distribution of healthy eaters. In short, this work evaluates the effectiveness of population-level intervention strategies and the importance of institutionalizing nutrition programs that factor in economical, social, cultural, and environmental elements that mesh well with the norms and values in the community.

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Mathematics Subject Classification: Primary: 97M10, 92D25; Secondary: 92B99.

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