M odern smart watches can measure an array of health indicators. Step counts and heart rates sit at the simpler end, while ...

LONDON — Wearables measure several aspects of health, and heart rate variability might be one of those. It may be surprising when your device informs you that your heart rate variability is high or ...

Researchers at Google say they used existing noise-canceling headphones to get pulse readings by updating their software. Researchers at Google say they used existing noise-canceling headphones to get ...

Healthy hearts are adaptable, and heartbeats exhibit complex variation as they adjust to tiny changes in the body and environment. Mass General Brigham researchers have applied a new way to measure ...

For the over 1 million Americans who survive severe traumatic brain injuries each year, the road to recovery is often long and challenging. Disruption of the autonomic nervous system, which controls ...

Your heart rate is one of the most standard yet essential health metrics. Soon, it may be easier to measure. Macy is a writer on the AI Team. She covers how AI is changing daily life and how to make ...

A new study from Mass General Brigham researchers reveals that heart rate complexity could serve as an early indicator of cognitive decline in older adults. The research, published in the Journal of ...

Computer Science and Engineering Ph.D. student Nayan Bhatia demonstrates Pulse-Fi, technology that uses WiFi signals to measure a person's heart rate. Heart rate is one of the most basic and important ...

Heart rate variability (HRV) typically increases with parasympathetic activation (rest-and-digest response) and decreases with sympathetic activation (fight-or-flight response). The autonomic nervous ...