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
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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
Where is the sound localization information from the inferior colliculus integrated with visual inputs?
A. (A) thalamus
B. (B) amygdala
C. (C) superior colliculus
D. (D) parietal cortex
Which is the function of efferent fibers in the auditory pathway?
A. (A) increases the representation of signals in noise
B. (B) reduces the sensitivity of the cochlea
C. (C) protects the cochlea from damage by loud sounds
D. (D) all of above
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