# Show Reference: "Hearing lips and seeing voices"

Hearing lips and seeing voices Nature, Vol. 264, No. 5588. (23 December 1976), pp. 746-748, doi:10.1038/264746a0 by Harry McGurk, John MacDonald
@article{mcgurk-and-macdonald-1976,
abstract = {{MOST} verbal communication occurs in contexts where the listener can see the speaker as well as hear him. However, speech perception is normally regarded as a purely auditory process. The study reported here demonstrates a previously unrecognised influence of vision upon speech perception. It stems from an observation that, on being shown a film of a young woman's talking head, in which repeated utterances of the syllable [ba] had been dubbed on to lip movements for [ga], normal adults reported hearing [da]. With the reverse dubbing process, a majority reported hearing [bagba] or [gaba]. When these subjects listened to the soundtrack from the film, without visual input, or when they watched untreated film, they reported the syllables accurately as repetitions of [ba] or [ga]. Subsequent replications confirm the reliability of these findings; they have important implications for the understanding of speech perception.},
author = {McGurk, Harry and MacDonald, John},
citeulike-article-id = {1101067},
day = {23},
doi = {10.1038/264746a0},
issn = {0028-0836},
journal = {Nature},
keywords = {biology, mcgurk, multisensory-integration},
month = dec,
number = {5588},
pages = {746--748},
posted-at = {2014-06-10 10:08:16},
priority = {2},
publisher = {Nature Publishing Group},
title = {Hearing lips and seeing voices},
url = {http://dx.doi.org/10.1038/264746a0},
volume = {264},
year = {1976}
}



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Seeing someone say 'ba' and hearing them say 'ga' can make one perceive them as saying 'da'. This is called the `McGurk effect'.