Alcohol, Behavior, and Brain Imaging

Alcohol, Behavior, and Brain Imaging

To evaluate the relationship of extraversion to both the acute subjective and behavioral effects of alcohol, and the neural reactivity to the anticipation of reward.

Inclusion Criteria:

• 21-29 years old
• 7-30 alcoholic drinks per week (as reported on PHQ or TLFB)
• At least one binge episode (4 for females/5 for males) per month
• No 'flushing' reaction to alcohol
• Females must be on birth control or in the beginning of follicular phase (1-14 days after start of menstruation)
• BMI 19-26
• High school education or greater, fluent in English
• No night shift work
• No current or past year Axis I psychiatric disorder including drug/alcohol dependence
• No current psychopharmacological treatment
• No lifetime ADHD or prescription for ADHD medication
• No abnormal EKG, cardiovascular illness, high blood pressure
• No medical condition or pharmacological treatment for which alcohol is contraindicated
• Not pregnant, lactating, or planning to become pregnant
• Smoke <6 cigarettes per day
• No previous participation in studies that have used the Stop Task (except IDAC) o Previous Stop Task studies: GOI, CAP, STEM, JAM, MACI, PAC, CAM