Activity for the book My Psychology

Show Me More: 3.1 The McGurk Effect: Does Lip reading Override Hearing?

Instructions

View the Show Me More video and then answer the questions.

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Show Me More 3.1 The McGurk Effect

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Timothy Revell

View the transcript (Opens in new window)

Question 1

The McGurk effect is an example of a(n) blank_____ illusion.

Choice A, visual

Choice B, olfactory

Choice C, auditory

Choice D, haptic

Question 2

Chad wants to show his friend Jay the McGurk effect. Which item below would be most effective at demonstrating this curious phenomenon?

Choice A, Slowing down the clocks in his home by 10 percent to see if Jay notices the changed progression of time

Choice B, Spraying vanilla into the air before Jay arrives to see if it changes Jay’s overall mood

Choice C, Telling Jay that he is going to give him white chocolate but then giving him milk chocolate

Choice D, Saying the word “paaa” but changing the way his lips look so that they appear to say “faaa”

Question 3

The primary explanation behind the McGurk effect is the fact that the sensory system it involves would be best described as being:

Choice A, multimodal.

Choice B, evolutionarily adaptive.

Choice C, prone to habituation.

Choice D, easily dishabituated.

Question 4

Several years ago, a major manufacturer of ketchup tried selling green and purple ketchup. The effect was achieved with simple food coloring, and the ketchup had no flavor change; however, customers reported that they hated the flavor. Can the McGurk effect help explain this unusual response?

Choice A, Yes it can, because visual and gustatory (taste) senses are processed in the same part of the brain.

Choice B, Yes it can, because visual input can change our perception of flavors.

Choice C, No it can’t, since visual input has been found to be related only to auditory perception and not smell, taste, or touch.

Choice D, No it can’t, because the McGurk effect is rooted in the temporal lobe, where auditory input is processed.