English Language · English
McGurk and MacDonald (1976) reported a powerful multisensory illusion occurring with audio-visual speech. They recorded a voice articulating a consonant 'ba-ba-ba' and dubbed it with a face articulating another consonant 'ga-ga-ga'. Even though the acoustic speech signal was well recognized alone, it was heard as 'da-da-da' after dubbing with incongruent visual speech. This striking demonstration shows that auditory and visual information merges into a unified, integrated percept. Which option best summarizes this text?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The McGurk effect which is a demonstration of multisensory integration has been replicated many times.
- 2When the auditory speech signal does not match the visual speech movements, the acoustic speech signal is confusing and integration of the two is imperfect.
- 3When the quality of auditory information is poor, the visual information wins over the auditory information.
- 4Visual speech mismatched with auditory speech can result in the perception of an entirely different message; this illusion is known as the McGurk effect.✓
Correct answer
Visual speech mismatched with auditory speech can result in the perception of an entirely different message; this illusion is known as the McGurk effect.
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