Olfactory Decision-making and Deprived Sleep

Inclusion Criteria: * At least 18 years old * Fluent English speakers Exclusion Criteria: * History of neurological conditions (e.g., epilepsy, dementia, multiple sclerosis, brain tumors, etc.) * History of psychiatric conditions (e.g., general anxiety disorder, depression, schizophrenia, obsessive-compulsive disorder, post-traumatic stress disorder, attention deficit hyperactivity disorder, alcoholism, etc.) * Significant medical illnesses (e.g., cancer, meningitis, chronic obstructive pulmonary disease, cardiovascular disease, etc.) * Cerebrovascular risk factors (e.g., hypertension, diabetes, elevated cholesterol, etc.) * Use of psychoactive medications (e.g., barbiturates, benzodiazepines, chloral hydrate, haloperidol, lithium, carbamazepine, phenytoin, citalopram, escitalopram, fluoxetine, diazepam, etc.) * Smell or taste dysfunction * History of severe allergies requiring hospitalization for treatment * History of severe asthma requiring hospitalization for treatment * Habitual smoking * History of eating disorders (e.g., anorexia nervosa, bulimia nervosa, binge-eating disorder, etc.) * Dieting or fasting * History of sleep disorders (e.g., obstructive sleep apnea, narcolepsy, insomnia, etc.) Magnetic implants (e.g., shunts or stents, aneurysm clips, surgical clips, cochlear implants, metal bone/joint pins, plates and screws, eyelid spring or wires, etc.) * Electronic implants (e.g., implanted cardiac defibrillator, cardiac pacemaker, deep brain/spinal cord or nerve stimulator, internal electrodes/wires, medication infusion devices, etc.) * History of metal working without proper eye protection, or injury with metal shrapnel or metal slivers * Left-handedness * Claustrophobia