Adult human who are awake with mind wandering and the eyes closed. Most likely EEG pattern is
Alpha-rhythm
Beta rhythm
Theta rhythm
Delta waves
In adult humans who are awake but at rest with the mind wandering and eyes closed, the most prominent component of EEG is a fairly regular pattern of waves at a frequency of 8-13 Hz and amplitude of 50-100uV when recorded from the scalp this pattern is the alpha rhythm. Ref: Ganong&;s review of medical physiology;23rd edition; pg:233.
Nervous system