Monday, December 20, 2010

The McGurk Effect is a marvel of the human brain

The McGurk effect is an astonishing demonstration of how the brain "creates" so much of what we consider reality, and how it fills in the gaps to make the flow of sensory input appear seamless.

It's a simple matter to observe the extraordinary powers of the brain to make us believe what we are seeing. To experience how the effect works, all that is necessary is to observe a certain video, first with eyes open and then with eyes closed, and notice the astonishing difference that visual cues have on what is heard.

I believe this is valuable information for language learners. People who make an effort to look like they are speaking English are much better understood than those who don't.

As I never tire of telling my adult English language learners, making improvements in the stress timing and intonation of their sentences automatically makes their English more intelligible, even if the pronunciation of individual words remains the same.

I take the McGurk effect to be evidence of this view.

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