Delta: high amplitude waves alpha Emitted from temporal and wr.AM M IW MdM occipital lobes beta Common during wiw sleep and awake Mw infant theta in awake adult indicate brain damage delta 0.5-3Hz 20-200uⅤ 1 second interval b)•Delta: high￾amplitude waves; •Emitted from temporal and occipital lobes. •Common during sleep and awake infant. •In awake adult indicate brain damage. –0.5-3 Hz –20 – 200  V