Dr. John Davis Answers Your Neurofeedback Questions
Neurofeedback combines precise signal measurement with human learning.
Best Practice: Handling Null Results
A null result does not always mean that the independent variable (the factor manipulated by the researcher) does not affect on the dependent variable (the outcome being measured).
Add Slow-Paced Contraction to Your Practice
Slow-paced contraction (SPC) is an indispensable HRV training exercise because it provides a direct, rhythmic means of engaging the autonomic nervous system through gentle, coordinated muscle activity.
How Benzodiazepines Affect the EEG
If you record enough EEGs, you eventually meet the benzodiazepine (BZD) signature. The patient looks calm, the tracing looks faster than usual, and the familiar posterior alpha rhythm feels washed out. That impression is not a mirage.
5-Second Science: Revisiting The Facial Feedback Hypothesis
A comprehensive meta-analysis of 138 studies found that facial feedback does have a statistically significant effect on emotional experience, but the effect is small and highly variable.
The Myth of Universal Emotions
Barrett challenges the idea that emotions like fear or anger are universally recognized and expressed in similar ways.