Which of the following strongly supports the notion that a place code is involved in detecting medium pitch to high pitch sounds?
A) Cochlear implants can restore the understanding of speech sounds.
B) Mutant mice that lack inner hair cells are unable to hear.
C) Damage to the posterior temporal cortex impairs hearing.
D) Overgrowth of bone over the round window impairs hearing of high—but not low—pitch sounds.
E) Antibiotics can degenerate hair cells in an apical to basal direction and produce corresponding deficits in intensity perception.
Answer: A
Rationale: The fact that cochlear implants can restore the understanding of speech sounds strongly supports the notion that a place code is involved in detecting medium pitch to high pitch sounds.
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