ventriloquism effect

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An auditory illusion in which sound is misperceived as emanating from a source that can be seen to be moving appropriately when it actually emanates from a different invisible source. The effect is most powerful for speech sounds, and it arises from visual dominance over auditory information. It is exploited by stage ventriloquists who practise the art of speaking without moving their lips while manipulating the movements of a puppet or dummy. [From Latin venter the belly + loqui to speak]

Subjects: Psychology.

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