The Livio AI hearing aid has a fitness tracker with inertial sensors that can count steps and track daily physical activity. But it also comes up with daily wellness scores for both physical and mental health and reports the scores on an associated smartphone app. The mental health “brain score” is based on hearing aid usage time, the degree of social engagement derived from the acoustic environment, and the extent of active listening.

https://spectrum-ieee-org.cdn.ampproject.org/c/s/spectrum.ieee.org/amp/starkeys-ai-transforms-hearing-aid-into-smart-wearables-2650277407