The Self Regulation Lab at the UT Austin Department of Psychology is conducting a study on differences between healthy individuals and chronic drug users in decision-making processes. The Self Regulation Lab seeks healthy volunteers age 23-50 with no history of drug use to participate in a single session at the Department of Psychology (less than 1.5 hours). Participants are interviewed about drug use and psychiatric history and then perform a series of tasks on a computer. Participants receive $15 for participation.

If you are interested in participating and fit the criteria below then send an email to self.regulationUT@<hidden> with the subject 'decision study' for more information or to schedule a session.

Study Participation Criteria:

- between 23 and 50 years old
- no history of chronic drug or alcohol use
- no history of psychiatric disorder
- no history of psychiatric medication
- no history of head injury