Brainwaves frequency higher than Beta?

Kevin Spencer kspencer at
Thu Nov 2 14:29:43 EST 1995

>In article <478oma$co at> m-16389 at (Danko) writes:

>   Is it possible to make the human brain
>   produce waves with frequency higher
>   than Beta (>30Hz)? 

Many neurons in the human brain fire at rates higher than 30 Hz.  In
the scalp-recorded EEG, however, most of the spectral power is in the
below-20 Hz range, especially in the alpha (8-12 Hz) and delta (0-4 Hz)

Kevin Spencer
Cognitive Psychophysiology Laboratory and Beckman Institute
University of Illinois at Urbana-Champaign
kspencer at / kspencer at

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