An EEG is a test that records a subject's brain waves through detecting and recording minuscule electrical charges occurring due to brain cell activity.

Scripps College

Components of measuring neurofeedback include:

- Hertz (Hz)
- Microvolts (μV)

Components of Neurofeedback Frequency

Marzbani, H., Marateb, H. R., & Mansourian, M. (2016). Neurofeedback: A comprehensive review on system design, methodology and clinical applications. Basic and Clinical Neuroscience, 7(2), 143–158. https://doi-org.proxy.wichita.edu/10.15412/J.BCN.03070208

Neurofeedback: A comprehensive review on system design, methodology and clinical applications

This represents amplitude, which is the power of the waves, expressed in the unit microvolts (μV).

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