Effect of Ghrelin on Decision-Making

Exclusion Criteria

• •Diagnosis of diabetes mellitus (including gestational diabetes)
• •Active infections
• •History of malignant or inflammatory conditions, such as rheumatoid arthritis and inflammatory bowel disease
• •History of myocardial infarction or congestive heart failure
• •Active liver or kidney disease
• •Uncontrolled hypertension
• •Pituitary or adrenal disorders or neuroendocrine tumors
• •History of anorexia nervosa, bulimia, or eating disorders not otherwise specified (NOS); Score of "at risk" on the EAT-26 eating disorder screening tool
• •Diagnosis of attention-deficient/hyperactivity disorder (ADHD)
• •Malabsorptive gastrointestinal disease, gastroparesis, or history of gastrointestinal surgery
• •Pregnancy or lactation
• •Requirement of daily medications that alter gastrointestinal function (including, but not limited to, glucocorticoids, psychotropics, narcotics, and metoclopramide).
• •Requirement of glasses for impaired vision (including reading glasses). Subjects who wear contact lenses for vision correction will not be excluded.
• •Insufficient visual acuity to read and interpret the decision stimuli
• •Insufficient motor capabilities to press a button, move the joystick, or move their eyes to indicate a response