Share Biogen has announced a new multiyear research study on cognitive decline that will be conducted using the Apple Watch and iPhone. The observational study is being conducted in collaboration with Apple, according to the announcement, and is set to kick off later this year. The project's primary goal is to establish digital biomarkers for monitoring long-term cognitive performance and to spot early signs of mild cognitive impairment (MCI). Biogen said it will be enrolling "young and aging adults" into its virtual study. The company said it has designed the project's consent form to keep patients in the loop on how their data is being collected and used, and all collected data will be encrypted to ensure privacy. Enrollees can end their participation at any time.