Question 1

The axons of the auditory nerves synapse in the ipsilateral

Accepted Answer

A)  cochlear nuclei. 
B)  superior olivary nuclei. 
C)  medial geniculate nuclei. 
D)  inferior colliculi. 
E)  lateral lemniscus.

Question 2

The perception of both pain and changes in skin temperature are largely mediated by

Accepted Answer

A)  free nerve endings. 
B)  Pacinian corpuscles. 
C)  nociceptors. 
D)  temperoceptors. 
E)  both B and D

Question 3

Unilateral excision of SI produces a contralateral deficit in the ability to

Accepted Answer

A)  detect light touch. 
B)  identify objects by touch. 
C)  feel pain. 
D)  all of the above 
E)  both A and B

Question 4

Each cortical level of a sensory system - primary, secondary, or association - is itself composed of different areas that mediate different psychological processes.This principle of sensory system organization is referred to as

Accepted Answer

A)  functional segregation. 
B)  parallel processing. 
C)  the binding problem. 
D)  hierarchical organization. 
E)  serial processing.

Question 5

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

The answer of Compare the anatomy of the two major...

Question 6

Painful stimuli are also referred to as __________ stimuli.

Accepted Answer

The answer of Painful stimuli are also referred to as...

Question 7

The most common neurological cause of anosmia is

Accepted Answer

A)  a tumor. 
B)  an infection. 
C)  a blow to the head. 
D)  a convulsion. 
E)  a blow to the nose.

Question 8

The axons of the olfactory receptors run through the

Accepted Answer

A)  olfactory bulb to the thalamus. 
B)  olfactory bulb to the paleocortex. 
C)  cribriform plate to the thalamus. 
D)  cribriform plate to the olfactory bulb. 
E)  olfactory epithelium to olfactory cortex.

Question 9

All of the olfactory receptors with the same receptor protein

Accepted Answer

A)  are located in the same part of the mucosa. 
B)  are scattered throughout the mucosa. 
C)  project to the same location of the olfactory bulb. 
D)  both A and C 
E)  both B and C

Question 10

Barn owls are often used in auditory research on sound localization because they have

Accepted Answer

A)  excellent sound localization ability. 
B)  large ears. 
C)  a large auditory cortex. 
D)  all of the above 
E)  both B and C

Question 11

The identification of objects by touch is called __________.

Accepted Answer

The answer of The identification of objects by touch is...

Question 12

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

Accepted Answer

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

Question 13

Hemispherectomized patients feel

Accepted Answer

A)  no pain. 
B)  no pain from the contralateral side of the body. 
C)  no pain from the ipsilateral side of the body. 
D)  no pain from their extremities. 
E)  pain from both sides of the body.

Question 14

A system in which information is conducted in a single route through its various components - like a string through beads - is called a

Accepted Answer

A)  parallel system. 
B)  functional system. 
C)  hierarchical system. 
D)  serial system. 
E)  none of the above

Question 15

We experience change blindness because we have absolutely no memory for parts of a scene that are not the focus of __________.

Accepted Answer

The answer of We experience change blindness because we have...

Question 16

__________ 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 17

Taste receptors typically occur in clusters of 50 or so.These clusters are called

Accepted Answer

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

Question 18

Gustation is to olfaction as

Accepted Answer

A)  flavor is to odor. 
B)  onions are to potatoes. 
C)  thalamus is to neocortex. 
D)  ageusia is to anosmia. 
E)  NaCl is to thiamine.

Question 19

Which of the following somatosensory structures do not receive substantial input from the anterolateral system?

Accepted Answer

A)  dorsal column nuclei 
B)  tectum 
C)  reticular formation 
D)  colliculi 
E)  intralaminar nuclei

Question 20

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

Exam 7: Mechanisms of Perception