<prompt> A person with eyes closed mind wondering will have the following wave ina-wavesb-wavesd-wavest-waves  <response>: A a-waves Alpha Rhythm In adult humans who are awake but at rest with the mind wandering and the eyes closed, the most prominent component of Ihe EEG is fairly regular pattern of waves at a frequency of 8-12 Hz and an amplitude of 50-100 pV when recorded from the scalp This pattern is the alpha rhythm. It is most marked in the parieto-occipital area. 