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THE SIGNAL

Category: Biometrics & Data

Research, clinical applications and platform insights from the Sensor Bio Team.

Biometrics & Data

Single-lead ECG selection for cardiovascular studies: validation and data-access criteria

real-time physiological data streaming — Sensor Bio article illustration
Biometrics & Data

Real-time physiological data streaming: platform requirements for digital health products

Fatigue Monitoring — Sensor Bio
Biometrics & Data

Fatigue monitoring biosensor selection: criteria for industrial workforce programs

Low Hrv — Sensor Bio
Biometrics & Data

Low Heart Rate Variability Symptoms: What Your HRV Pattern Can and Cannot Tell You

heart rate zones illustration for Sensor Bio article
Biometrics & Data

5 Heart Rate Zones: What Each Zone Means for Training

Visual guide to post-viral dysautonomia — infographic from Sensor Bio
Biometrics & Data

Post-Viral Dysautonomia: How Long COVID Affects the Autonomic Nervous System

hrv menstrual cycle illustration for Sensor Bio article
Biometrics & Data

HRV in Women: How Hormones Shape Heart Rate Variability Across the Menstrual Cycle and Menopause

Visual guide to atrial fibrillation — infographic from Sensor Bio
Biometrics & Data

Atrial fibrillation screening science: sensitivity, specificity, and wearable study design

Inflammation Markers — Il-6 — Sensor Bio
Biometrics & Data

Inflammation markers on a wearable: what’s measurable, what isn’t

Hrv Inflammation — Visual guide to heart rate variability — infographic from Sensor Bio
Biometrics & Data

HRV and inflammation: what your wearable can (and can’t) tell you

Visual guide to skin tone — infographic from Sensor Bio
Biometrics & Data

Multi-Wavelength PPG and Skin Tone Validation: What Fair Wearable Accuracy Requires

ppg waveform morphology and compensatory reserve
Biometrics & Data

PPG Waveform Features and Compensatory Reserve: What Optical Signals Reveal Under Hemodynamic Stress

is spo2 accurate at night — Sensor Bio article illustration
Biometrics & Data

SpO2 Accurate at Night: Reference Ranges and Signal Context

Hrv Biofeedback Training — hrv biofeedback — Sensor Bio article illustration
Biometrics & Data

HRV Biofeedback: What It Is, How It Works, and the Research Behind It

Hrv — Cold Plunge — Sensor Bio
Biometrics & Data

Cold plunge and HRV: what your wearable shows the morning after

fall detection — Sensor Bio article illustration
Biometrics & Data

Fall detection science: accelerometer thresholds, context, and false-positive tradeoffs

Ppg Beat Detection — Heart Rate — Sensor Bio
Biometrics & Data

PPG beat detection algorithms: how peak timing becomes heart rate and HRV data

Vagal Tone Meaning — Vagal Tone — Visual guide to vagus nerve — infographic from Sensor Bio
Biometrics & Data

Vagal Tone Meaning: What the Vagus Nerve Has to Do With HRV

Improve Hrv — Visual guide to rate variability — infographic from Sensor Bio
Biometrics & Data

How to Improve Heart Rate Variability: What the Data Actually Shows

Pulse Oximetry — Ppg Vs Ecg Accuracy — Visual guide to electrical timing — infographic from Sensor Bio
Biometrics & Data

PPG vs ECG vs Pulse Oximetry: What Each Modality Measures, What It Misses, and Why the Distinction Matters