Neurophysiological assessment serves not as an independent diagnostic tool but as a physiologically grounded framework for understanding how clients process information, regulate emotions, respond to stressors, and organize their behavior.

I wrote this post to clear up confusion about frequency and amplitude, and give you a basic format for thinking about the EEG signal.

The earliest recording of human brain electrical activity was in 1875. Researchers have found the study of the human EEG a fascinating...