Ebook: The Perfect Machine: TV in the Nuclear Age

Flicking on the TV, Krugman began monitoring the brain-waves of the subject. What he found through repeated trials was that within about thirty seconds, the brain-waves switched from predominantly beta waves, indicating alert and conscious attention, to predominantly alpha waves, indicating an unfocused, receptive lack of attention: the state of aimless fantasy and daydreaming below the threshold of consciousness. When Krugman's subject turned to reading through a magazine, beta waves reappeared, indicating that conscious and alert attentiveness had replaced the daydreaming state.