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


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...
BioSource Faculty
Dec 28, 202218 min read
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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
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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
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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
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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...
BioSource Faculty
Nov 15, 202215 min read
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Slow-Paced Contraction Increases HRV
Slow-paced contraction to increase heart rate variability
Fred Shaffer
Jul 31, 20226 min read
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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...
Fred Shaffer
Jul 28, 20223 min read
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