This study will explore how children's eating behaviors are connected to brain activity and body fat levels. Researchers are especially interested in a behavior pattern called the PACE phenotype, which includes how much children eat when offered large portions, how quickly they eat, their appetite traits, and their ability to control eating. The goal is to better understand why some children are more likely to gain weight than others. The study will include children between the ages of 7 and 9 and will follow them for one year. Researchers will use brain scans, lab-based meal observations, and questionnaires to study how children respond to food and how their eating patterns relate to body fat at the start of the study and one year later. The study will also look at how family background, parenting, and other factors might protect some children from gaining excess weight even if they show risky eating behaviors. Results may help identify which children are most at risk for obesity and guide future strategies for prevention.
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fMRI Neural Response to Food Portion Size Images
Timeframe: Baseline
PACE (Portion Size Susceptibility, Appetite Awareness, Loss of Control Eating, and Eating Speed) Phenotype Score
Timeframe: Baseline and 12-month follow-up
Child Adiposity
Timeframe: Baseline and 12-month follow-up
Family Socioeconomic Status (SES)
Timeframe: Baseline
PACE Phenotype Score Consistency Over Time
Timeframe: Baseline and 12-month follow-up