Funding for this research was provided by:
National Institute on Aging (R01AG036921)
Article History
Received: 20 November 2018
Accepted: 24 January 2019
First Online: 9 February 2019
Compliance with ethical standards
: The study was in compliance with the Code of Ethics of the World Medical Association (Declaration of Helsinki)<i>.</i> Participants signed written informed consents in the first in-person study visit. The Institutional Review Board approved this study.
: Dr. Izzetoglu has a very minor share in the company that manufactures the fNIRS device used in this study. All other authors have no conflicts of interest to report in relation to the current article.