Fill-in-the-blank training primes AI to interpret health data from smartwatches and fitness trackers

The human body constantly generates a variety of signals that can be measured from outside the body with wearable devices. These bio-signals – ranging from heart rate to sleep state and blood oxygen levels – can indicate whether someone is having mood swings or can be used to diagnose a variety of body or brain disorders.

It can be relatively cheap to gather a lot of bio-signal data. Researchers can organize a study and ask participants to use a wearable device akin to a smartwatch…