The McGurck Effect – hearing with your eyes

How much do the visual cues (what we see) that we get from the face of a speaker influence what we hear? Quite a bit, in some cases. The McGurk effect, named after Harry McGurk of McGurk & McDonald, 1976, is a compelling demonstration of how we all use visual speech information.

See the McGurck Effect in action in the BBC2 video below “Horizon: Is Seeing Believing?