subliminal perception

noun

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

Example Sentences

But if an object which happens to be particularly exciting to the hypnotic stratum—for instance the hypnotiser's finger, used often as a signal for trance—is advanced into that part of the hysteric's normal visual field of which she has apparently lost all consciousness, there will often be an instant subliminal perception,—shown by the fact that the subject promptly falls into trance.

From Project Gutenberg

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.

From Time Magazine Archive