Inclusion Criteria:  Female Ages 13 - 15 Must have biological parental history of AN or BN, or no history of psychiatric diagnoses  Exclusion Criteria:  Current diagnosis of an Eating Disorder; Symptoms of major psychiatric disorders (substance use disorders, conduct disorder, attention deficit hyperactive disorder, major depression, bipolar disorder, panic disorder, agoraphobia, generalized anxiety disorder); Serious medical conditions (diabetes, brain injury, cancer); Body Mass Index (BMI) <17.5; Any contraindications for MRI (e.g. metal objects/implants in body, irremovable body piercings, tattoos or braces, medications that interfere with MRI, history of head injury with loss of consciousness, phobia that wouldn't allow them to complete the MRI); Current regular psychoactive drug use; Relevant food allergies; Not in age range