SHS 311 Exam 2B Questions and Answers.

SHS 311 Exam 2B Questions and Answers
Question 1
all-or-none property and refractory property

Correct Answer
What are the properties of action potentials?



Question 2
Correct Answer
Auditory Cortex



Question 3
What does the green indicate?
Correct Answer
Dynamic range



Question 4
Correct Answer
inferior colliculus



Question 5
is a the basic neural element that relays neural information throughout the nervous
system
Correct Answer
Neuron




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,Question 6
low frequencies
Correct Answer
MSO cells are turned to



Question 7
carry information from the sensory receptors to higher neural centers
Correct Answer
Afferent fibers



Question 8

The process during the action potential when sodium is rushing into the cell causing
the interior to become more positive.

Correct Answer
Depolarization



Question 9
dorsal cochlear nucleus
Correct Answer
DCN



Question 10
What does the yellow represent?

Correct Answer
Sound level (dB SPL)



Question 11
Correct Answer
Cochlear nucleus




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,Question 12
auditory nerve spikes only occur for one direction of the BM vibration
Correct Answer
Half-wave rectification



Question 13
cues sound location that requires just one ear
Correct Answer
monaural cues



Question 14
high frequencies (>5000 Hz)
Correct Answer
Poor synchrony happens at...



Question 15
cues sound location that requires both ears
Correct Answer
binaural cues



Question 16
a delay line and coincidence detector model for processing. The ladder like delay lines
transmit inputs from both ears to each coincidence detector. Due to the length
difference between delay lines, different neurons will fire with different ITDs
Correct Answer
The Jefferess Model




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, Question 17
the cochlea encodes different frequencies at different locations along the basilar
membrane
Correct Answer
Place code



Question 18
A specialized ion channel that opens or closes in response to changes in membrane
potential

Correct Answer
Voltage-gated Ion Channels



Question 19
The increase in spike rate for any auditory nerve only happens over a 30-50 dB
dynamic range, above which the neural spike rate saturates
Correct Answer
What are the limits that rate code has?



Question 20

MSO cells fire maximally when the left and right ear inputs arrive the cell body at the
same time

Correct Answer
Coincidence detection at MSO



Question 21
Post-Stimulus Time(PST) Histogram, Inter-Spike Interval (ISI) Histogram, and Phase-
Locked PST Histogram
Correct Answer
What are the graphs are used to show temporal processing?




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