Sources: Apple is working with UCLA and Biogen to identify depression, cognitive decline, and other issues using sensor data, such as typing behavior and sleep (Rolfe Winkler/Wall Street Journal)

Rolfe Winkler / Wall Street Journal:
Sources: Apple is working with UCLA and Biogen to identify depression, cognitive decline, and other issues using sensor data, such as typing behavior and sleep  —  Company is working with UCLA, Biogen to see if sensitive data like facial expressions, typing metrics could signal mental-health concerns