Researchers are seeking healthy people for a brain imaging research study

Researchers at the Johns Hopkins Hospital are seeking volunteers to participate in a brain imaging research study.

  • Are you between the ages of 18-50?
  • Are you a healthy adult with no history of psychosis or liver disease?
  • Are you without history of recreational substance dependence in the past three months?

If you answered yes to the above questions, you may be eligible to participate. Those who complete the study will receive a cash payment of up to $100. For more details, call 443-287-4701 or email

Application no. IRB00282288

Principal investigator: Peter B. Barker, DPhil