Tag: photoplethysmography

A new PLOS Digital Health study shows that cuff-less blood pressure prediction from PPG signals achieves low errors only when ...

A pilot study paired subjective music quality ratings with wrist-wearable EDA and PPG recordings, finding that variability-based autonomic markers track ...

Researchers have modeled the heart's post-extrasystolic potentiation as a second-order system and shown that a damping factor derived from smartwatch-style ...

Taiwanese researchers have built a cuffless platform that synchronously records ECG and photoplethysmographic signals from all four limbs, detecting peripheral ...

Mayo Clinic researchers have publicly defended their validation of a photoplethysmography-based home sleep apnea test for children aged two to ...

A PLOS Medicine editorial argues that smartwatch data could build a globally representative cardiovascular research database, but only if ethical, ...

A rigorous validation study of the FDA-cleared Samsung Galaxy Watch shows strong detection of high-risk sleep apnea but reveals specificity, ...

A deep learning model can estimate objective daytime sleepiness from a simple fingertip pulse wave recording, achieving about 80 percent ...

A Mayo Clinic study found that a ring-worn photoplethysmography-based home sleep apnea test was technically inadequate and diagnostically inaccurate compared ...

Researchers in Colombia and Brazil have validated a two-device wearable system costing under $83 that measures heart rate and respiratory ...