BioSource FacultyMar 43 min readHRV BiofeedbackReport on the Inner Balance Coherence Plus HRV SensorThe $249 Inner Balance Coherence Plus PPG sensor achieved acceptable accuracy for clinic and home training.
BioSource FacultyFeb 111 min readHRV BiofeedbackHRV Myths: You Should Trust Smartphone HRV App ValuesHRV time- and frequency-domain values obtained from smartphone apps may be invalid due to their failure to control artifacts. Cautiously...
