The pull of another person's gaze
At just the moment the magician swaps the position of two cards in her left hand, she looks across deliberately and misleadingly to her right hand and your attention follows. You can't help it. You see where she's looking and your attention is sent automatically in the same direction.
Magicians have known this power for centuries and now psychologists are confirming and measuring the effect under tightly controlled laboratory conditions. More surprising, perhaps, is their finding that the directing effect of arrows is also impossible to resist.
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