Question 1

Compare the anatomy of the two major ascending somatosensory pathways: the dorsal-column medial lemniscus pathway and the anterolateral pathway. Draw them. What are their functions?

Accepted Answer

50% for comparing the two syst...

Question 2

Hearing loss is sometimes associated with __________ (ringing of the ears).

Accepted Answer

The answer of Hearing loss is sometimes associated with __________...

Question 3

The Pacinian corpuscle is

Accepted Answer

A)   the largest cutaneous receptor.
B)   the most deeply positioned cutaneous receptor.
C)   fast adapting.
D)   all of the above
E)   none of the above

Question 4

Much of SII is

Accepted Answer

A)   adjacent to SI.
B)   in the lateral fissure.
C)   in the parietal cortex.
D)   all of the above
E)   none of the above

Question 5

A __________ is an area of the body that is innervated by the dorsal roots of one segment of the spinal cord.

Accepted Answer

The answer of A __________ is an area of the...

Question 6

A hierarchical system is one in which

Accepted Answer

A)   there is one absolute top.
B)   there is one absolute bottom.
C)   each element has specific levels or ranks with respect to one another.
D)   no two elements are at the same level.
E)   there is no cortical involvement.

Question 7

The organ of Corti comprises the tectorial membrane, hair cells, and __________ membrane.

Accepted Answer

The answer of The organ of Corti comprises the tectorial...

Question 8

Taste receptors typically occur in clusters of 50 to 100. These clusters are called

Accepted Answer

A)   glomeruli.
B)   taste buds.
C)   taste receptor nuclei.
D)   papillae.
E)   taste mucosas.

Question 9

Stare at the + sign and without moving your eyes, shift your focus from one letter to another. You have just experienced

Accepted Answer

A)   overt attention.
B)   covert attention.
C)   the cocktail party phenomenon.
D)   bottom-up attention.
E)   exogenous attention.

Question 10

Selective attention

Accepted Answer

A)   improves the perception of stimuli that are its focus.
B)   has no effect on perception.
C)   seems to depend totally on thalamic mechanisms.
D)   seems to depend totally on changes in receptors.
E)   blocks out, just slightly, the perception of those stimuli that are its focus.

Question 11

Olfactory receptors are embedded in the

Accepted Answer

A)   olfactory mucosa.
B)   nose hairs.
C)   olfactory nucleus.
D)   olfactory neocortex.
E)   cribriform plate.

Question 12

There seem to be five primary tastes: sweet, sour, bitter, salty, and

Accepted Answer

A)   fatty.
B)   umami.
C)   oily.
D)   mamawawa.
E)   yumyumi.

Question 13

__________ are found in __________, which are often located around small protuberances called __________.

Accepted Answer

A)   Taste receptors; taste buds; papillae
B)   Taste buds; taste receptors; papillae
C)   Taste receptors; papillae; taste buds
D)   Taste buds; papillae; taste receptors
E)   Papillae; taste receptors; taste buds

Question 14

Electrical stimulation of which of the following structures has analgesic effects?

Accepted Answer

A)   SII
B)   periaqueductal gray
C)   paraventricular nuclei
D)   ventral posterior nuclei
E)   medial lemniscus

Question 15

The perception of pitch in primates seems to occur in

Accepted Answer

A)   the thalamus.
B)   one small cortical area just anterior to primary auditory cortex.
C)   association cortex.
D)   primary auditory cortex.
E)   all areas of association cortex together.

Question 16

The spinothalamic, spinoreticular, and spinotectal somatosensory tracts are all part of the __________ system.

Accepted Answer

The answer of The spinothalamic, spinoreticular, and spinotectal somatosensory tracts...

Question 17

Tinnitus

Accepted Answer

A)   always accompanies hearing loss.
B)   is always cured by cutting the contralateral auditory nerve.
C)   is always cured by cutting the ipsilateral auditory nerve.
D)   both A and C
E)   none of the above

Question 18

Which of the following is part of the organ of Corti?

Accepted Answer

A)   the semicircular canals
B)   the hair cells
C)   the basilar membrane
D)   all of the above
E)   both B and C

Question 19

Which of the following is often associated with asomatognosia?

Accepted Answer

A)   the rubber hand illusion
B)   aphasia
C)   anosognosia
D)   all of the above
E)   both A and C

Question 20

The primary auditory cortex is in the

Accepted Answer

A)   temporal lobe.
B)   lateral fissure.
C)   occipital lobe.
D)   frontal lobe.
E)   both A and B

Exam 7: Mechanisms of Perception

The organ of Corti comprises the tectorial membrane, hair cells, and __________ membrane.

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Olfactory receptors are embedded in the

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Taste receptors typically occur in clusters of 50 to 100. These clusters are called

Correct AnswerverifiedShow Answer

Stare at the + sign and without moving your eyes, shift your focus from one letter to another. You have just experienced

Correct AnswerverifiedShow Answer

The spinothalamic, spinoreticular, and spinotectal somatosensory tracts are all part of the __________ system.

Correct AnswerverifiedShow Answer

Tinnitus

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The primary auditory cortex is in the

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Much of SII is

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The perception of pitch in primates seems to occur in

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Which of the following is part of the organ of Corti?

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Which of the following is often associated with asomatognosia?

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A __________ is an area of the body that is innervated by the dorsal roots of one segment of the spinal cord.

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__________ are found in __________, which are often located around small protuberances called __________.

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Hearing loss is sometimes associated with __________ (ringing of the ears).

Correct AnswerverifiedShow Answer

The Pacinian corpuscle is

Correct AnswerverifiedShow Answer

Electrical stimulation of which of the following structures has analgesic effects?

Correct AnswerverifiedShow Answer

There seem to be five primary tastes: sweet, sour, bitter, salty, and

Correct AnswerverifiedShow Answer

Compare the anatomy of the two major ascending somatosensory pathways: the dorsal-column medial lemniscus pathway and the anterolateral pathway. Draw them. What are their functions?

Correct Answerverified50% for comparing the two syst...View AnswerShow Answer

Selective attention

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A hierarchical system is one in which

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are found in , which are often located around small protuberances called __.

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50% for comparing the two syst...
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