Tech Talk: Can consumer wearables detect cognitive decline?

While it's well known that consumer-grade wearables generally are not as reliable as their research-grade counterparts when it comes to counting steps and monitoring vital signs, a new feasibility study by Apple, Eli Lilly and Evidation Health suggests that the sensors on devices such as iPhones, Apple watches and Beddit sleep monitors may capture enough data to spot mild cognitive impairment or dementia.