heart rate

Contactless pulse measurement falters at high heart rates, finds study

by Kristina Nienhaus, Bielefeld University edited by Lisa Lock, reviewed by Robert Egan  Editors’ notes In the study the scientists tested an optical form of contactless pulse measurement. Credit: Hanna Drimalla Researchers at Bielefeld University have analyzed how reliably AI methods can detect pulse rates from simple video recordings. The technique, known as rPPG—remote photoplethysmography, an optical form […]

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Heart rate changes predict depression treatment success with magnetic brain stimulation, scientists discover

by Genomic Press edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes Credit: Pixabay/CC0 Public Domain Researchers led by Dr. Roberto Goya-Maldonado at the University Medical Center Göttingen have identified a rapid physiological marker that predicts which patients with major depression will respond to magnetic brain stimulation therapy. The article, published in Brain Medicine, found that patients

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WiFi signals can measure heart rate—no wearables needed

by Emily Cerf, University of California – Santa Cruz edited by Lisa Lock, reviewed by Andrew Zinin   Computer Science and Engineering Ph.D. student Nayan Bhatia demonstrates Pulse-Fi, technology that uses Wi-Fi signals to measure a person’s heart rate. Credit: Erika Cardema/UC Santa Cruz Heart rate is one of the most basic and important indicators of health, providing

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Clear’ e-cigarettes linked to greater acute rises in blood pressure and heart rate

by Justin Jackson, Phys.org edited by Sadie Harley, reviewed by Robert Egan   Credit: Pixabay/CC0 Public Domain Department of Chemical and Environmental Engineering, Yale University and Boston University Chobanian, Avedisian School of Medicine-led researchers report that e-cigarettes labeled “clear” produced greater acute increases in blood pressure and heart rate than non “clear” flavored products or nonuse, and that

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