The Shepard tone creates an auditory illusion of endlessly rising pitch — used in film to create tension.
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Terror management theory suggests much of human behavior is unconsciously driven by fear of mortality.
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The Baader-Meinhof phenomenon makes you notice something everywhere after you first learn about it — also called frequency illusion.
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Your perception is a reconstruction.
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The Sufi whirling dervish practice is a form of active meditation — the spinning is meant to bring the practitioner closer to God.
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Your brain edits perception.
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Sleep deprivation can negatively affect cognitive function.
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Intrinsic motivation — doing something for its own sake — produces better long-term performance than extrinsic rewards.
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About 1 in 200 people have an exceptionally high IQ.
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