How much will it cost me to participate in this study? October 28, 2022 21:38 Updated There are no costs to you for participating in this study. Related articles Who can join the ADNI4 study? Is the study right for me/my family? eGift Card payments (Tango) How can I participate? Where are the ADNI In-Clinic sites located? How much time does it take to participate in the ADNI4 study? Comments 0 comments Please sign in to leave a comment.