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THE SIGNAL

Category: Biometrics & Data

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

Sensor Bio editorial hero for Single-lead ECG selection for cardiovascular studies: validation and data-access criteria
Biometrics & Data

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

Sensor Bio editorial hero for Real-time physiological data streaming: platform requirements for digital health products
Biometrics & Data

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

Sensor Bio editorial hero for Fatigue monitoring biosensor selection: criteria for industrial workforce programs
Biometrics & Data

Fatigue monitoring biosensor selection: criteria for industrial workforce programs

Sensor Bio editorial hero for Low Heart Rate Variability Symptoms: What Your HRV Pattern Can and Cannot Tell You
Biometrics & Data

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

Sensor Bio editorial hero for 5 Heart Rate Zones
Biometrics & Data

5 Heart Rate Zones: What Each Zone Means for Training

Sensor Bio editorial hero for Resting Heart Rate by Age
Biometrics & Data

Resting Heart Rate By Age: A Clinician’s Technical Explainer

Sensor Bio editorial hero for HRV and Sleep
Biometrics & Data

HRV and Sleep: How Heart Rate Variability Reveals Sleep Quality (and How to Use It)

Age-stratified heart rate variability distribution chart showing HRV ranges across the human lifespan as a radial data visualization with orange signal highlights
Biometrics & Data

HRV Chart by Age: Reference Ranges and How to Read Them

Biometrics & Data

Autonomic Testing: Common Methods and What They Show

Sensor Bio hero image for biosensor sdk evaluation — v5.3 spec
Biometrics & Data

Biosensor SDK Evaluation: How to Assess Wearable Software Platforms for Clinical Use

Sensor Bio hero image for post viral dysautonomia — v5.3 spec
Biometrics & Data

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

Sensor Bio editorial hero for How HRV Menstrual Cycle Is Computed at the Signal Level
Biometrics & Data

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

Atrial Fibrillation
Biometrics & Data

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

Inflammation Markers — Extreme macro visualization of inflammatory biomarkers and cytokine proteins with bioluminescent orange highlights against deep black background
Biometrics & Data

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

Scientific data visualization showing the inverse relationship between heart rate variability and inflammation markers as overlapping radial constellations
Biometrics & Data

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

Cross-sectional view of skin layers showing PPG optical wavelength penetration across different skin tones with orange vascular highlights
Biometrics & Data

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

Signal Quality — Scientific visualization of respiratory rate, ECG, and PPG waveforms showing respiratory modulation of cardiac signals
Biometrics & Data

Respiratory Rate From ECG and PPG: Signal Quality Rules for Wearable Breathing Metrics

PPG waveform morphology series showing compensatory reserve index changes across physiological states
Biometrics & Data

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

Pulse Oximetry — Nocturnal SpO2 time-series visualization showing oxygen saturation accuracy across sleep stages with signal confidence indicators
Biometrics & Data

SpO2 Accurate at Night: Reference Ranges and Signal Context

Sensor Bio editorial hero for HRV Biofeedback: What It Is, How It Works, and the Research Behind It
Biometrics & Data

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