What is involved?

• Testing: Participants will be administered several computer-based, paper-and-pencil and oral neuropsychological tests. The participant will be asked to make choices about the material presented to them, in a timed manner, based on the instructions for each test. They will indicate their responses either by pressing a button, writing down answers with pencil or pen or giving an oral answer. These tests measure different components of executive function. If the participant has an informant, s/he may be asked to participate in objective interviews or questionnaires about the participant.
• Frequency of visits: Participation in the study will take a total of between 30-180 minutes, either in one visit or over several visits depending upon your availability.
• Materials needed prior to evaluation: None
• Costs: No costs will be charged for any of the study procedures.