Labels:bulletin board | chat room | fence | plant | sky | stairs | subarachnoid space OCR: BRAIN AVE 1 CTIVITY HE LEVEL OF ACTIVITY inside the brain's electrical signals, or your brain can be measured brain wa ves. on screen. When reveal the different phases making you are awake or dreaming, the up a night's sleep By attaching activity of the brain produces fast, measuring instruments to.a sleeping intense signals. In deep sleep person' head scientists can study these signals subside considerably. ELECTRICAL SIGNALS Brain Electrical signals indicating brain activity Awake Deep Dream Sleep control Spinal sleep sleep center WAVE ELECTRICAI contro p10d
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