63
Participants
Start Date
May 16, 2019
Primary Completion Date
October 31, 2023
Study Completion Date
December 29, 2023
Neuropsychological assessment
Clinical research staff will complete a standardized neuropsychiatric study visit protocol with eligible participants who provide informed consent. The protocol will be conducted twice for each participant (baseline and 6 months later).
Neuroimaging
Subjects, well characterized with respect to their substance use, will be evaluated with functional magnetic resonance imaging (fMRI) tasks, resting state MRI (rsMRI), high resolution anatomical MRI, standard diffusion weighted imaging (DWI) and high angular resolution diffusion imaging (HARDI) at baseline and 6 months later.
VA Portland Health Care System, Portland, OR, Portland
VA Office of Research and Development
FED
Oregon Health and Science University
OTHER
Portland VA Medical Center
FED