The potential for skin-related heart rate inaccuracies in some wearables was scientifically established in a 2017 Journal of Personalized Medicine study that found greater and statistically significant error rates in the Fitbit Surge, Samsung Gear, and second-generation Basis Peak with darker skin-toned users. But in some cases, the green LEDs are both underpowered and unassisted, leading to fluctuations and inaccuracies for users with darker skin.
FITBIT HEART MONITOR SKIN
Stat’s core claim is that most wearables use green LEDs to optically measure heart rates, a decision that generally has merit - and can work properly across a range of skin colors if the LEDs are strong enough, and/or complemented by another type of heart sensor.
But a report from Stat suggests that some of the most popular wearables, including models sold by Fitbit, Samsung, and others, are inaccurately measuring the heart rates of people of color, an issue attributable to reliance on green lights that are more easily absorbed by darker skin. It goes without saying that the performance of a key feature in wearables - heart rate measurement - should be uniformly accurate across users regardless of their ethnicity. Interested in learning what's next for the gaming industry? Join gaming executives to discuss emerging parts of the industry this October at GamesBeat Summit Next.
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