Source: ‘Brainwave boogie-woogie‘, New Scientist Magazine, 24 December 2005

Waveband name Frequency (Hz) Associated with
Slow waves below 1 Preparing to move a muscle
Delta waves 1 to 3 Deep sleep
Theta waves 3 to 7 Drowsiness, trance states and early sleep
Alpha waves 7 to 12 Relaxed but awake
Beta waves 12 to 30 Anxious thinking, focused activity and REM sleep
Gamma waves above 30 Learning, memory formation and perception

Posted on site under Brain Science

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