Which is correct about voltage-induced motion of the outer hair cell?
A. (A) depolarization makes it longer
B. (B) hyperpolarization makes it longer
C. (C) repolarization makes it shorter
D. (D) it is a symmetrical response
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What information do cochlear nerve fibers encode?
A. (A) stimulus frequency and pitch
B. (B) stimulus frequency and intensity
C. (C) stimulus intensity and pitch
D. (D) none of above
Where is the low frequency sound encoded along the basilar membrane?
A. (A) at the base of the basilar membrane
B. (B) at the middle of the basilar membrane
C. (C) at the apex of the basilar membrane
D. (D) the entire basilar membrane
Which interaural difference for sound localization is best for high frequency stimuli?
A. (A) time difference
B. (B) frequency difference
C. (C) intensity difference
D. (D) all of above
What is the function of the medial nucleus of the trapezoid body in sound localization?
A. (A) send inhibitory signals of the ipsilateral side to LSO
B. (B) send inhibitory signals of the contralateral side to LSO
C. (C) send excitatory signals of the ipsilateral side to LSO
D. (D) send excitatory signals of the contralateral side to LSO
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