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Directions for Summary: A paragraph is followed by four options which have summarized the passage in their own way. Pick the option that best summarizes the passage:
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 another consonant after dubbing with incongruent visual speech i.e., ‘da-da-da’. The illusion, termed as the McGurk effect, has been replicated many times, and it has sparked an abundance of research. The reason for the great impact is that this is a striking demonstration of multisensory integration, where that auditory and visual information is merged into a unified, integrated percept.

Updated On: Sep 13, 2024
  • When the quality of auditory information is poor, the visual information wins over the auditory information.
  • When the auditory speech signal does not match the visual speech movements, the acoustic speech signal is confusing and integration of the two is imperfect.
  • The McGurk effect which is a demonstration of multisensory integration has been replicated many times.
  • 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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The Correct Option is D

Solution and Explanation

The correct answer is (D): 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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