A Guide to Selecting HRV Norms
Measurement context and client characteristics are crucial to interpreting HRV time- and frequency-domain measurements. In this post, we...
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BCIA Continuing Education Posts
The BioSource Faculty Explain Peer-Reviewed Science
BioSource Faculty
Nov 5, 202210 min read
EEG Montages: Part 2 - Selecting the Best Comparison
A montage groups electrodes together (combines derivations) to record EEG activity (Thomas, 2007). Clinicians monitor EEG activity using...
507 views2 comments
BioSource Faculty
Oct 22, 202210 min read
EEG Montages: Part 1 - Differential Amplifiers
EEG montages combine derivations, which are pairs of electrodes. We will explore differential amplifiers and common mode rejection to...
1,429 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.
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BioSource Faculty
Oct 17, 202213 min read
HRV Frequency-Domain Measurements for Smart People
What Are HRV Frequency-Domain Metrics? Heart rate variability (HRV) frequency-domain metrics quantify the absolute or relative power...
288 views3 comments
John Davis
Sep 25, 20224 min read
A Successful qEEG-Guided Trauma Intervention
Biofeedback and neurofeedback are efficacious treatments for Post-Traumatic Stress Disorder.
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John Davis
Aug 18, 20222 min read
Neurofeedback Is an Effective Treatment for PTSD
Neuroplasticity is a double-edged sword. Whereas trauma often results in dysfunctional brain adaptation, neurofeedback can reduce PTSD...
56 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,...
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Fred Shaffer
Jul 31, 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...
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John Davis
Jul 31, 20222 min read
Neurofeedback is an Effective Treatment for Epilepsy and Seizures
Seizures are abnormal, involuntary behaviors and/or mental states that can occur for many reasons. The variety of seizures is large, with...
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Fred Shaffer
Jul 31, 20226 min read
Slow-Paced Contraction Increases HRV
Slow-paced contraction to increase heart rate variability
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Fred Shaffer
Jul 28, 20223 min read
Low-Frequency Power and Coherence Index HRV Biofeedback Training Success
The low-frequency (LF) band (0.04-0.15 Hz) is affected by breathing from ~3-9 bpm (Task Force, 1996). The baroreflex system’s resonance...
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Fred Shaffer
Jul 27, 20223 min read
Hardiness: Thriving in the Face of Adversity
Some individuals do not experience illness or psychological distress when exposed to adverse life events and hassles. Although they may...
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Fred Shaffer
Jul 27, 20221 min read
What Voodoo Deaths Reveal About Our Beliefs Regarding Stress
Cannon (1942) studied voodoo deaths in shamanistic cultures and published speculation about how beliefs can produce lethal cascades of...
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qeegjohn
Jul 27, 20222 min read
The Case for Using the Quantitative EEG (qEEG)
The earliest recording of human brain electrical activity was in 1875. Researchers have found the study of the human EEG a fascinating...
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Fred Shaffer
Jul 27, 20222 min read
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'...
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Fred Shaffer
Jul 27, 20221 min read
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...
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Fred Shaffer
Jul 27, 20222 min read
Scope of Practice and Competence
A practitioner's scope of practice defines the services they may legally provide under their license or supervisor's license under state...
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Fred Shaffer
Jul 27, 20222 min read
When Should You Not Use PPG Sensors to Measure HRV?
The electrocardiograph (ECG) and photoplethysmograph (PPG) are two methods of detecting heart rate (HR) and heart rate variability (HRV)....
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Fred Shaffer
Jul 26, 20222 min read
The Locus Coeruleus Causes Alpha Blocking
Thalamic pacemakers produce the alpha rhythm through bidirectional connections with the cortex. Graphic © SciePro/Shutterstock.com. When...
40 views0 comments
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