Published on in Vol 6 (2023)
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/36663, first published
.
![A Novel Digital Digit-Symbol Substitution Test Measuring Processing Speed in Adults At Risk for Alzheimer Disease: Validation Study A Novel Digital Digit-Symbol Substitution Test Measuring Processing Speed in Adults At Risk for Alzheimer Disease: Validation Study](https://asset.jmir.pub/assets/1b2e2444f2a4ea4fe8fc43aca97d5a6a.png 480w,https://asset.jmir.pub/assets/1b2e2444f2a4ea4fe8fc43aca97d5a6a.png 960w,https://asset.jmir.pub/assets/1b2e2444f2a4ea4fe8fc43aca97d5a6a.png 1920w,https://asset.jmir.pub/assets/1b2e2444f2a4ea4fe8fc43aca97d5a6a.png 2500w)
1 Exercise Science Research Center, University of Arkansas, Fayetteville, AR, United States
2 Neurotrack Technologies, Inc, Redwood City, CA, United States