Question 1

Select the correct sequence for processing of information in the primary visual pathway.

Accepted Answer

A)  retina - > dorsal lateral geniculate (DLG) -> striate cortex 
B)  retina -> striate cortex -> extrastriate cortex -> inferior temporal cortex 
C)  retina -> DLG -> inferior temporal cortex -> amygdala 
D)  DLG -> retina -> striate cortex -> primary visual cortex 
E)  DLG-> frontal cortex -> amygdala -> extrastriate cortex

Question 2

Sensory receptors are specialized for the

Accepted Answer

A)  detection of physical stimuli. 
B)  induction of movement of a limb. 
C)  detection of specific chemicals released from other neurons. 
D)  detection of internal-but not external-stimuli. 
E)  All of the above are correct.

Question 3

Explain what is involved in the process of sensory transduction.

Accepted Answer

The answer of Explain what is involved in the process...

Question 4

The striate cortex refers to the primary visual cortex.

Accepted Answer

A) True 
 B)False

Question 5

In thinking of the pathways taken by visual information within the association cortex,the ventral stream projects to the ________ and is involved in ________.

Accepted Answer

A)  parietal association cortex; the analysis of "where" an object is located in space 
B)  temporal association cortex; object color 
C)  primary motor cortex; object texture 
D)  parietal association cortex; the analysis of object identity 
E)  inferior temporal cortex; deciding on the "what" of an object

Question 6

Retinal ganglion cells of the "ON" type described by Kuffler

Accepted Answer

A)  fire randomly to light and dark conditions. 
B)  record an excitatory burst of potentials to a light placed within a circular center. 
C)  show suppressed numbers of potentials to a light placed within a circular center. 
D)  show an increased number of potentials when a light was placed onto a ring surrounding the center. 
E)  show a change in response rate to movement.

Question 7

Imagine that a scientist has discovered a nerve toxin that selectively destroys the columns of neurons that lie within the blob regions of striate cortex modules.Which of the following would you expect to be most profoundly impaired by this toxin?

Accepted Answer

A)  movement sensitivity 
B)  orientation sensitivity 
C)  depth perception 
D)  color vision 
E)  texture perception

Question 8

Area V4 of primate extrastriate cortex is critical for the analysis of

Accepted Answer

A)  color. 
B)  color constancy. 
C)  form. 
D)  object texture. 
E)  movement.

Question 9

A microelectrode is inserted into a neuron within the primate visual system.Various stimuli are presented to the eyes and changes in firing rate are recorded from this visual system neuron.The part of the visual field to which a neuron responds is termed the

Accepted Answer

A)  magnocellular visual system. 
B)  parvocellular visual system. 
C)  striate response field. 
D)  tuning curve. 
E)  receptive field.

Question 10

Delineate the structure and functions of the magnocellular and parvocellular visual systems.

Accepted Answer

The answer of Delineate the structure and functions of the...

Question 11

The determination of the "what" of an object is a key function of the dorsal visual stream.

Accepted Answer

A) True 
 B)False

Question 12

The human retina contains about ________ rods and about ________ cones.

Accepted Answer

A)  60 million; 3 million 
B)  9 million; 120 million 
C)  32 million; 320 million 
D)  120 million; 6 million 
E)  160 million; 3 million

Question 13

The reason for a "blind spot" in the visual field is that

Accepted Answer

A)  rods are less sensitive to light than are cones. 
B)  blood vessels collect together and enter the eye at the blind spot. 
C)  the lens cannot focus all of the visual field onto the retina. 
D)  retinal cells die with age and overuse, resulting in blind spots. 
E)  there are no photoreceptors in the retina where the axons exit the eye.

Question 14

Damage to the FFA impairs the recognition of facial features.

Accepted Answer

A) True 
 B)False

Question 15

In the epilogue on case studies,Carlson argues that

Accepted Answer

A)  valid conclusions can only be drawn from groups of brain-damaged persons. 
B)  brain modules can be proven to control individual behaviors. 
C)  a case study involves the intensive study of disabilities noted in groups of people. 
D)  brain damage is usually similar from case to case. 
E)  certain case study results can be used to eliminate the role of a brain module in a specific behavior.

Question 16

Which of the following is a binocular cue for depth perception?

Accepted Answer

A)  perspective 
B)  relative retinal size 
C)  retinal disparity 
D)  relative apparent movement 
E)  loss of detail due to atmospheric haze

Question 17

The primate retina contains

Accepted Answer

A)  two photopigments. 
B)  three photopigments. 
C)  one type of cone and three types of rods. 
D)  only cones. 
E)  only rods.

Question 18

Cerebral achromatopsia refers to

Accepted Answer

A)  seeing the world as shades of one color. 
B)  a symptom of Balint's syndrome. 
C)  a loss of color vision. 
D)  seeing the world as shades of red and green. 
E)  a difficulty in scanning the visual scene.

Question 19

The primate retina contains 55 types of photoreceptors.

Accepted Answer

A) True 
 B)False

Question 20

A disease that attacks the photoreceptors of the fovea would be expected to

Accepted Answer

A)  impair night vision. 
B)  disrupt color vision. 
C)  impair eye movements. 
D)  impair vision for detection of movement. 
E)  produce blurry images.

Exam 6: Vision

Select the correct sequence for processing of information in the primary visual pathway.

Sensory receptors are specialized for the

Explain what is involved in the process of sensory transduction.

The striate cortex refers to the primary visual cortex.

In thinking of the pathways taken by visual information within the association cortex,the ventral stream projects to the and is involved in .

Retinal ganglion cells of the "ON" type described by Kuffler

Imagine that a scientist has discovered a nerve toxin that selectively destroys the columns of neurons that lie within the blob regions of striate cortex modules.Which of the following would you expect to be most profoundly impaired by this toxin?

Area V4 of primate extrastriate cortex is critical for the analysis of

A microelectrode is inserted into a neuron within the primate visual system.Various stimuli are presented to the eyes and changes in firing rate are recorded from this visual system neuron.The part of the visual field to which a neuron responds is termed the

Delineate the structure and functions of the magnocellular and parvocellular visual systems.

The determination of the "what" of an object is a key function of the dorsal visual stream.

The human retina contains about rods and about cones.

The reason for a "blind spot" in the visual field is that

Damage to the FFA impairs the recognition of facial features.

In the epilogue on case studies,Carlson argues that

Which of the following is a binocular cue for depth perception?

The primate retina contains

Cerebral achromatopsia refers to

The primate retina contains 55 types of photoreceptors.

A disease that attacks the photoreceptors of the fovea would be expected to