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The BioSource Blog
BioSource Faculty Explain Core Concepts Based on
Peer-Reviewed Science




BioSource Faculty
- May 12
- 7 min
Drug Effects on Heart Rate Variability
Rated 5 out of 5 stars.
(1)Reviewing a list of the medications and social drugs your client is currently taking is essential. They can individually and...
268 views1 comment


BioSource Faculty
- Apr 27
- 7 min
Breathing Basics - Part 2: Assessment
Breathing assessment should always precede HRV biofeedback because dysfunctional breathing can frustrate training success. Clinicians may...
211 views0 comments


BioSource Faculty
- Apr 10
- 33 min
Neuroscience Breakthroughs Since Graduate School - Part 6: Emotion
Neuroscience research in the last decades has fundamentally changed our understanding of emotion. Bottom-up and top-down pathways...
345 views0 comments


BioSource Faculty
- Apr 8
- 2 min
BCIA Recertification for Smart People
BCIA requires certificants to complete 48 hours of accredited continuing education (30 hours for Senior Fellows) every 4 years that their...
221 views0 comments


BioSource Faculty
- Apr 2
- 6 min
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...
205 views0 comments


BioSource Faculty
- Mar 24
- 6 min
Breathing Basics - Part 1: Anatomy and Physiology
Breathing ensures healthy CO2 levels. The main functions of breathing are gas exchange and acid-base (pH) regulation. The respiratory...
312 views0 comments


BioSource Faculty
- Mar 19
- 18 min
Neuroscience Breakthroughs Since Graduate School - Part 6: Stress
Recent studies have challenged core stress concepts taught in graduate classes. We cannot turn off our physiological reactions to...
364 views0 comments


Fred Shaffer
- Feb 24
- 7 min
Dr. Moss on Mentoring, Supervision, and Consultation
BCIA requires mentoring as an educational process for individuals seeking BCIA certification. BCIA requires clinical supervision for...
145 views0 comments


BioSource Faculty
- Jan 24
- 7 min
Zachary Meehan on Childhood Trauma
Events are traumatic when they involve harm or threat of harm to oneself or others (McLaughlin et al., 2014). Childhood trauma is a...
250 views0 comments


BioSource Faculty
- Jan 17
- 6 min
Dr. Hughes on You've Got What It Takes: Become a Biofeedback Mentor
I have been teaching biofeedback to licensed clinicians for a long time. I have always encouraged my biofeedback therapists-in-training...
243 views0 comments


BioSource Faculty
- Dec 28, 2022
- 19 min
Neuroscience Breakthroughs Since Graduate School - Part 5: Depression
Since major depressive disorder (MDD) is a heterogeneous disorder, researchers study its diverse phenotypes. Heritability ranges from 26%...
424 views0 comments


BioSource Faculty
- Dec 17, 2022
- 9 min
BCIA Biofeedback Essential Skills: EMG
The surface electromyogram (EMG) is an indispensable tool for evaluating and training clients for chronic pain, headache, hypertension,...
300 views0 comments


BioSource Faculty
- Dec 7, 2022
- 15 min
Neuroscience Breakthroughs Since Graduate School - Part 2: Addiction
Addiction inevitably involves loss, including executive functions, health, pleasure from everyday life, productivity, and often...
282 views0 comments


BioSource Faculty
- Dec 3, 2022
- 12 min
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...
333 views0 comments


BioSource Faculty
- Nov 25, 2022
- 13 min
Neuroscience Breakthroughs Since Graduate School - Part 1: Sleep
Behavioral neuroscience discoveries have proceeded at a rapid pace. This series highlights cutting-edge findings and explains their...
336 views0 comments


Fred Shaffer
- Jul 27, 2022
- 2 min
EMG Values Are Relative and Why This Matters
Whereas two different feedback thermometers should register the same room temperature, we can't assume the same for two electromyographs'...
24 views0 comments


Fred Shaffer
- Jul 27, 2022
- 1 min
Why You Should Place EMG Sensors on the Muscle Belly
Clinicians place active electrodes over the target muscle belly (i.e., central region) to record its full voltage. Graphic adapted from...
23 views0 comments
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