Effects of Processed Foods on Brain Reward Circuitry and Food Cue Learning

Inclusion Criteria: * female and male adolescents 13-15 years of age * age- and sex- adjusted zBMI scores between the 25th and 75th percentile * participant and their guardian must be able to read and speak English to gather valid consent Exclusion Criteria: * current eating disorders or other major psychiatric disorders (e.g., depression, bipolar, schizophrenia, substance use disorder) * fMRI contra-indicators (e.g., metal implants, braces, claustrophobia, pregnancy) * serious medical problems (e.g., Type 2 diabetes, cancer) * history of food allergies or restrictive dietary requirements (e.g., lactose intolerance, vegan) * use of psychoactive drugs more than once weekly * medications that impact appetite or reward functioning (e.g., metformin, anti-psychotic medication, insulin)