5-Min Science: HRV Biofeedback Can Improve Children's Attention
HRV biofeedback improves attention.
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BCIA Continuing Education Posts
The BioSource Faculty Explain Peer-Reviewed Science
Fred Shaffer
Jul 2310 min read
Dr. Rosenthal's Adolescent Migraine Case Study
This case study summarizes Dr. Saul Rosenthal's AAPB adolescent migraine case study.
104 views0 comments
BioSource Faculty
Jun 154 min read
Upgrade Your HRV Biofeedback System
If you don’t correct dysfunctional breathing patterns like overbreathing, they can compromise the effectiveness of HRVB training.
189 views0 comments
Fred Shaffer
Mar 241 min read
Do longer exhalations increase HRV during slow-paced breathing?
Download our open-access Applied Psychophysiology and Biofeedback inhalation-to-exhalation ratio article.
151 views0 comments
BioSource Faculty
Mar 43 min read
Report on the Inner Balance Coherence Plus HRV Sensor
The $249 Inner Balance Coherence Plus PPG sensor achieved acceptable accuracy for clinic and home training.
152 views0 comments
BioSource Faculty
Feb 241 min read
HRV Myths: Successful HRV Biofeedback Training Always Produces a 0.1 Hz LF Peak
If you train your client using a resonance frequency protocol, their target breathing rate might fall between 4.5-6.5 bpm for adults and...
87 views0 comments
BioSource Faculty
Feb 111 min read
HRV Myths: You Should Trust Smartphone HRV App Values
HRV time- and frequency-domain values obtained from smartphone apps may be invalid due to their failure to control artifacts. Cautiously...
70 views2 comments
BioSource Faculty
Jan 191 min read
HRV Myths: A Healthy Heart Resembles a Metronome
When the time intervals between heartbeats significantly change across successive breathing cycles, this shows that the cardiovascular...
56 views1 comment
BioSource Faculty
Jan 61 min read
Breathing Myths: We Need More Oxygen
At rest, we do not need more oxygen! Near sea level, the air we inhale contains 21% oxygen, whereas the air we exhale contains 15% oxygen.
154 views2 comments
BioSource Faculty
Jun 28, 20237 min read
Evidence-Based Practice Preview: Part 3
This preview covers Epilepsy, Irritable Bowel Syndrome, Panic Disorder, Post-Traumatic Stress Disorder, and Preeclampsia.
190 views1 comment
BioSource Faculty
Jun 28, 20237 min read
Evidence-Based Practice Preview: Part 2
This installment covers Depression, Diabetes, Erectile Dysfunction, Generalized Anxiety Disorder, Hypertension, and Low Back Pain.
170 views0 comments
BioSource Faculty
May 19, 20235 min read
BCIA HRV Biofeedback Certification for Smart People
A concise guide for earning BCIA Biofeedback Certification
219 views0 comments
BioSource Faculty
May 12, 20237 min read
Drug Effects on Heart Rate Variability
Reviewing a list of the medications and social drugs your client is currently taking is essential. They can individually and...
344 views1 comment
BioSource Faculty
Apr 27, 20237 min read
Breathing Basics - Part 2: Assessment
Breathing assessment should always precede HRV biofeedback because dysfunctional breathing can frustrate training success. Clinicians may...
240 views0 comments
BioSource Faculty
Apr 2, 20236 min read
Strategies for Entering the Field
You are a licensed healthcare provider or optimal performance coach who wants to add biofeedback to your practice but are overwhelmed by...
231 views0 comments
BioSource Faculty
Dec 12, 20228 min read
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...
458 views0 comments
BioSource Faculty
Dec 3, 202212 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...
537 views0 comments
BioSource Faculty
Nov 23, 20229 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,...
568 views0 comments
BioSource Faculty
Oct 22, 202213 min read
HRV Time-Domain Measurements for Smart People
HRV Time-Domain Measurements for Smart People describes these measurements, caveats, and practical applications.
428 views0 comments
Fred Shaffer
Aug 1, 20222 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,...
56 views0 comments
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