Credit: Edgar Cervantes / Android AuthorityTL;DRSamsung will apparently announce a Brain Health service at CES next month.This service will analyze data from your phone and wearable to detect changes in cognitive function and early signs of dementia.Brain Health could also offer personalized brain training programs to improve your cognitive abilities.Samsung announced in September that it had developed a way to track changes in cognitive function via a phone and smartwatch. This technology meant you could potentially get an early warning for conditions like dementia. Now, it seems like this tech could be a commercial reality next month.Chosun Biz reports that Samsung will announce a ‘Brain Health’ service next month at CES 2026. This service will reportedly analyze daily data gleaned from your smartphone and wearable to detect changes in cognitive function. The service will apparently collect and analyze data related to your voice, gait, and sleep patterns.