First the electroencephalograph (which is simply a device for recording the electrical activity of the brain by attaching electrodes to the scalp) shows that while there is a change in the pattern of activity during sleep,
第一點(diǎn),腦電圖記錄儀(不過(guò)是一種把電極接到頭皮上記錄腦電活動(dòng)的儀器)顯示,人在睡眠時(shí)大腦活動(dòng)的方式有變化,