Effects of Stimulants on Behavioral and Neural Markers of Social Motivation, Ability, and Neural Markers of Social Function

Effects of Stimulants on Behavioral and Neural Markers of Social Motivation, Ability, and Neural Markers of Social Function

To study the effects of MDMA, compared to a prototypical stimulant, on social motivation, social ability, and neural indices of social function in healthy volunteers

Inclusion Criteria:

• BMI between 19 and 30 (no one under 130 lbs)
• Smokers smoking less than 25 cigarettes per week
• Have used ecstasy no more than 40 times with no adverse responses.

Exclusion Criteria:

• High blood pressure
• Any medical condition requiring regular medication
• Individuals with a current (within the last year) DSM-IV Axis 1 diagnosis
• Individuals with a history of dependence on stimulant drugs.
• Women who are pregnant or trying to become pregnant