The Vagus Nerve's Role in Heart Rate Variability
Vagal activity and parasympathetic nervous system function produce respiratory sinus arrhythmia (RSA) and heart rate variability (HRV).
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BCIA Continuing Education Posts
The BioSource Faculty Explain Peer-Reviewed Science
BioSource Faculty
Aug 723 min read
A Comprehensive Guide to HRV Myths
This review addresses 14 misconceptions regarding cardiovascular health, HRV measurement, and HRV biofeedback training.
268 views0 comments
BioSource Faculty
Aug 712 min read
A Comprehensive Breathing Myths Guide
Breathing ensures healthy CO2 levels. The main functions of breathing are gas exchange and acid-base (pH) regulation.
348 views1 comment
BioSource Faculty
Jun 238 min read
Postural Orthostatic Tachycardia Syndrome (POTS)
POTS can significantly impact the quality of life, often leading to disability and reduced daily functioning.
159 views0 comments
BioSource Faculty
May 2413 min read
Neurofeedback Is Training, Not Treatment
The terms training and treatment are often confused, and their meanings and definitions vary depending on the context.
210 views2 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 202 min read
Profile of Erik Peper
Erik Peper, PhD, is a distinguished academic and practitioner in the field of biofeedback.
81 views0 comments
BioSource Faculty
Mar 101 min read
BioSource Galleries Help Preserve Biofeedback and Neurofeedback History
BioSource has funded an ambitious project to celebrate the history of biofeedback and neurofeedback. We have commissioned a growing...
145 views0 comments
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
Dec 17, 20231 min read
BioSource Software Updates
BioSource will continue to update Biofeedback Tutor, HRV Biofeedback Tutor, and Neurofeedback100 during the first quarter of 2024.
66 views0 comments
BioSource Faculty
Oct 21, 20232 min read
426 views0 comments
BioSource Faculty
Oct 14, 20231 min read
A Powerful New Neurotech Tool for Augmenting Your Mind - TED 2023
In an astonishing talk and tech demo, neurotechnologist Conor Russomanno shares his work building brain-computer interfaces.
167 views1 comment
BioSource Faculty
Oct 13, 20232 min read
Summary of Frontoamygdalar Effective Connectivity in Youth Depression and Treatment Response
Frontoamygdalar effective connectivity can be a predictive indicator for diagnosing youth depression and responsiveness to treatment.
85 views0 comments
BioSource Faculty
Oct 8, 20239 min read
Clinical Update on Insomnia
This post discusses our insomnia epidemic and evidence-based behavioral interventions for insomnia.
241 views0 comments
BioSource Faculty
Aug 27, 202313 min read
BCIA Essential Skills: Blood Volume Pulse
Blood volume pulse (BVP) is an indispensable tool for evaluating and training clients for chronic pain, hypertension, and performance.
236 views0 comments
BioSource Faculty
Aug 10, 202312 min read
Psychophysiological Assessment Can Enhance ADHD Diagnosis and Training
This post shows how applied psychophysiology assessment can contribute objective input to enhance ADHD assessment and training.
255 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 24, 20235 min read
Drug Effects on Biofeedback
Drug Effects on Biofeedback
349 views0 comments
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
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