top of page
BCIA Continuing Education Posts
The BioSource Faculty Explain Peer-Reviewed Science


Rethinking the Resonance Frequency (RF) - Part 3: Slow-Paced Contraction
Slow-paced contraction (SPC) provides an alternative and unproven method for determining the resonance frequency (RF) in one or two...
BioSource Faculty
Dec 12, 20228 min read


Rethinking the Resonance Frequency (RF) - Part 2: Slow-Paced Breathing
Resonance frequency (RF) assessment identifies the stimulation frequency producing the greatest amplitude heart rate oscillations in one...
BioSource Faculty
Dec 3, 202212 min read


Rethinking the Resonance Frequency (RF) - Part 1: Understanding Resonance
Randomized controlled trials have demonstrated the efficacy of HRV biofeedback for diverse clinical disorders like depression, diabetes,...
BioSource Faculty
Nov 23, 20229 min read


HRV Time-Domain Measurements for Smart People
HRV Time-Domain Measurements for Smart People describes these measurements, caveats, and practical applications.
BioSource Faculty
Oct 22, 202213 min read


How Do You Know When HRV Training is Succeeding?
During slow-paced breathing between 4.6 to 6.5 bpm, you can examine your client's raw heart rate (HR) and respiration waveforms,...
Fred Shaffer
Aug 1, 20222 min read


BCIA Mentoring Versus Supervision: Why the Difference Matters
BCIA requires mentoring as an educational process for individuals seeking BCIA certification. Listen to Dr. Moss explain the difference...
Fred Shaffer
Jul 31, 20222 min read


Slow-Paced Contraction Increases HRV
Slow-paced contraction to increase heart rate variability
Fred Shaffer
Jul 31, 20226 min read


How HRV Biofeedback Increases RSA
Respiratory sinus arrhythmia (RSA) is the speeding and slowing of the heart across each breathing cycle. RSA is the primary and entirely...
Fred Shaffer
Jul 26, 20221 min read


Faster Heart Rates Lower HRV and Increase Dementia Risk
Heart rate (HR) is important because a high rate can reduce heart rate variability (HRV), the changes in the time intervals between...
Fred Shaffer
Jul 26, 20222 min read
bottom of page
