The mind's eye scans like a spotlight
Wednesday, August 12, 2009 - 11:35
in Mathematics & Economics
CAMBRIDGE, Mass. -- You're meeting a friend in a crowded cafeteria. Do your eyes scan the room like a roving spotlight, moving from face to face, or do you take in the whole scene, hoping that your friend's face will pop out at you? And what, for that matter, determines how fast you can scan the room?