Deck 4: Audition and Somatosensation

Question 1

Primary somatosensory cortex lies anterior to the central sulcus.

Answer 1

False

Question 2

What is the difference in the types of information processed by the primary auditory (A1), belt and parabelt regions of auditory cortex?

Answer 2

not answered

Question 3

What is tonotopy?

Answer 3

Spatial code for frequency in auditory system, from basilar membrane up to auditory cortex

Question 4

What is meant by the proposed "gating" function of neuronal oscillations?

Question 5

What is a Fourier transform? How is this approximated by the basilar membrane?

Question 6

What is the primary organizational principal of the somatosensory cortex?

Question 7

What sense allows us to detect where different parts of the body are relative to one another?

Question 8

What is plasticity? Give an example from somatosensation of plasticity in action.

Question 9

Which brain region is primarily responsible for early auditory evoked potentials (AEPs)?

Question 10

What is the primary job of the ossicles of the middle ear?

Question 11

The cortical representation of the lips is larger than that of the knee.

Question 12

Describe the sequence of events and critical anatomical substrates that transduce acoustic energy into a neural code.

Question 13

What does a spectrogram display?

Question 14

What is optogenetics?

Question 15

What is a place code and how is it used by the basilar membrane?

Question 16

What are the two most common types of hearing loss? Which can be helped with a hearing aid?

Question 17

What causes inner hair cells to depolarize?

Question 18

The base of the basilar membrane is located _____ to the oval window and responds more strongly to _____- frequency sounds.

A)Close to; low
B)Far from; high
C)Close to; high
D)Far from; low

Question 19

What is the sensory homunculus? What does it tell us about how different tissue is innervated?

Question 20

What are the three classes of receptor types that underlie somatosensation?

Question 21

Why might some people experience phantom pain after the amputation of a limb?