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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Which is not the function of dorsal stream of the auditory cortical system?
A. (A) specializes in sound-source localization
B. (B) detects sound-source motion
C. (C) identifies auditory objects
D. (D) segregates spatial sound sources
Which aspect of sound does the auditory cortex encode?
A. (A) loudness
B. (B) frequency
C. (C) pitch
D. (D) all of above
Which is correct about the relationship between odorants and receptors?
A. (A) each odorant has its specific receptor
B. (B) one odorant can interact with only three receptors
C. (C) different odorants are detected by different combinations of receptors
D. (D) one receptor can detect all odorants
What is the coding scheme in the olfactory system?
A. (A) time coding
B. (B) labeled-line coding
C. (C) population coding
D. (D) rate coding
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