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subliminal perception

British  

noun

  1. Also called: subception.  psychol perception of or reaction to a stimulus that occurs without awareness or consciousness

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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To make the dream come true, two young companies are peddling "subliminal perception," the psychological phenomenon whereby a sight too fleeting to register consciously takes root subtly in the viewer's subconscious mind.

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