Contrast the evidence that supports general-mechanism theories of speech perception with the evidence that supports special-mechanism theories, and give examples of at least one experiment that supports each type of theory.
What will be an ideal response?
General-mechanism theories of speech perception hold that the same mechanisms that are used to process all auditory signals are used for speech perception. Holt's experiment demonstrating that hearing nonspeech sounds can influence our perceptions of speech sounds supports the general-mechanism approach. Special-mechanism theories of speech perception hold that humans have a unique neurocognitive system for speech perception besides that used for auditory perception in general. McGurk's experiment demonstrating that what we see someone else saying can override the speech sounds that we are hearing offers support to special-mechanism theories.
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