To find out if you or someone you care about may qualify for participation in this study, click here to answer a brief questionnaire. After answering a few questions about behavioral problems and TBI, you will learn if you or someone you care about pre-qualifies for study participation.

If you or someone you care about pre-qualifies, you will be given a list of the study centers nearest you. You may select a study center to set up a screening appointment to further determine eligibility for this study.