Question 1

The refractory period is when:

Accepted Answer

A)  a ganglion cell generates an action potential 
B)  a cell returns to its resting potential 
C)  hyperpolarization takes place 
D)  depolarization takes place 
A)  a ganglion cell generates an action potential 
B)  a cell returns to its resting potential 
C)  hyperpolarization takes place 
D)  depolarization takes place

Question 2

The figure below is a side view of the human eye.  
-What is D?

Accepted Answer

A)  sclera 
B)  pupil 
C)  cornea 
D)  iris 
A)  sclera 
B)  pupil 
C)  cornea 
D)  iris

Question 3

Which of the patients below most likely has akinetopsia?

Accepted Answer

A)  Stephanie cannot kick a moving ball that is rolled toward her. 
B)  Katie is unable to name the individuals in a recent family photo. 
C)  Jenny calls a line-drawing of a ladder "a bookcase". 
D)  Heather reports that she only sees the world in black and white. 
A)  Stephanie cannot kick a moving ball that is rolled toward her. 
B)  Katie is unable to name the individuals in a recent family photo. 
C)  Jenny calls a line-drawing of a ladder "a bookcase". 
D)  Heather reports that she only sees the world in black and white.

Question 4

The ganglion cells from the left half of the left eye go to the __________________ hemisphere. The ganglion cells from the left half of the right eye go to the __________________ hemisphere.

Accepted Answer

A)  left; left 
B)  left; right 
C)  right; right 
D)  right; left 
A)  left; left 
B)  left; right 
C)  right; right 
D)  right; left

Question 5

A monochromat is a person who:

Accepted Answer

A)  only has cones on her retina 
B)  only has rods on her retina 
C)  only has S-cones but not M-cones nor L-cones 
D)  only has ganglion cells but not bipolar cells 
A)  only has cones on her retina 
B)  only has rods on her retina 
C)  only has S-cones but not M-cones nor L-cones 
D)  only has ganglion cells but not bipolar cells

Question 6

Which of the following visual disorders is due to a buildup of pressure within the eye?

Accepted Answer

A)  glaucoma 
B)  presbyopia 
C)  astigmatism 
D)  cataract 
A)  glaucoma 
B)  presbyopia 
C)  astigmatism 
D)  cataract

Question 7

After suffering from a stroke, Ashley is unable to identify objects. For example, when shown a picture of a garden hose, she mistakenly calls it a snake.
-She likely has:

Accepted Answer

A)  prosopagnosia 
B)  visual object agnosia 
C)  akinetopsia 
D)  cerebral achromatopsia 
A)  prosopagnosia 
B)  visual object agnosia 
C)  akinetopsia 
D)  cerebral achromatopsia

Question 8

Which type of photoreceptor is most responsive to a wavelength of 530 nm?

Accepted Answer

A)  S-cones 
B)  L-cones 
C)  M-cones 
D)  rods 
A)  S-cones 
B)  L-cones 
C)  M-cones 
D)  rods

Question 9

Experiments on dark adaptation have shown that:

Accepted Answer

A)  cones have a low threshold 
B)  rods adapt more rapidly than cones 
C)  cones adapt more rapidly than rods 
D)  both A and C 
A)  cones have a low threshold 
B)  rods adapt more rapidly than cones 
C)  cones adapt more rapidly than rods 
D)  both A and C

Question 10

Suppose a ganglion cell has an on-center, off-surround receptive field. What will be the result when…
-…a light is shined only on the center of the receptive field?

Accepted Answer

A)  the cell will show activation 
B)  the cell will show inhibition 
C)  the cell will fire spontaneously at a low rate 
D)  the cell will show only slight activation 
A)  the cell will show activation 
B)  the cell will show inhibition 
C)  the cell will fire spontaneously at a low rate 
D)  the cell will show only slight activation

Question 11

Roughly 70% of all ganglion cells are:

Accepted Answer

A)  midget ganglion cells 
B)  small bistratified ganglion cells 
C)  parasol ganglion cells 
D)  bipolar ganglion cells 
A)  midget ganglion cells 
B)  small bistratified ganglion cells 
C)  parasol ganglion cells 
D)  bipolar ganglion cells

Question 12

Now suppose a ganglion cell has an off-center, on-surround receptive field. What will be the result when…
-…a light is shined only on the surrounding, outer portion of the receptive field?

Accepted Answer

A)  the cell will show activation 
B)  the cell will show inhibition 
C)  the cell will fire spontaneously at a low rate 
D)  the cell will show only slight activation 
A)  the cell will show activation 
B)  the cell will show inhibition 
C)  the cell will fire spontaneously at a low rate 
D)  the cell will show only slight activation

Question 13

Visual information travels horizontally across the retina through:

Accepted Answer

A)  ganglion cells 
B)  amacrine cells 
C)  bipolar cells 
D)  simple cells 
A)  ganglion cells 
B)  amacrine cells 
C)  bipolar cells 
D)  simple cells

Question 14

Which of the following statements about the P pathway is TRUE?

Accepted Answer

A)  The ganglion cells involved are quick to respond. 
B)  It relies on input from midget ganglion cells. 
C)  It is involved in the perception of illumination differences. 
D)  It is involved in the perception of rapid movement. 
A)  The ganglion cells involved are quick to respond. 
B)  It relies on input from midget ganglion cells. 
C)  It is involved in the perception of illumination differences. 
D)  It is involved in the perception of rapid movement.

Question 15

The figure below is a side view of the human eye.  
-Identify the cornea.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 16

The bundle of ganglion cells that brings visual information from the optic chiasm to the LGN is called the:

Accepted Answer

A)  optic nerve 
B)  superior colliculus 
C)  striate cortex 
D)  optic tract 
A)  optic nerve 
B)  superior colliculus 
C)  striate cortex 
D)  optic tract

Question 17

The cells in the K pathway:

Accepted Answer

A)  are less sensitive to light than those in the M pathway 
B)  have less acuity than those in the P pathway 
C)  both A and B 
D)  none of the above 
A)  are less sensitive to light than those in the M pathway 
B)  have less acuity than those in the P pathway 
C)  both A and B 
D)  none of the above

Question 18

If you close your left eye and view a picture with only your right eye, information will be projected:

Accepted Answer

A)  to only your left hemisphere 
B)  to only your right hemisphere 
C)  to both your left and your right hemisphere 
D)  to neither hemisphere 
A)  to only your left hemisphere 
B)  to only your right hemisphere 
C)  to both your left and your right hemisphere 
D)  to neither hemisphere

Question 19

Information is carried away from the retina by the:

Accepted Answer

A)  rods 
B)  choroid 
C)  cones 
D)  optic nerve 
A)  rods 
B)  choroid 
C)  cones 
D)  optic nerve

Question 20

Which of the following statements about Simple Cortical Cells is TRUE?

Accepted Answer

A)  They are found in all 6 layers of the primary visual cortex. 
B)  They respond to a large receptive field. 
C)  They are particularly sensitive to lines and edges. 
D)  They respond to input from both eyes, contributing to depth perception. 
A)  They are found in all 6 layers of the primary visual cortex. 
B)  They respond to a large receptive field. 
C)  They are particularly sensitive to lines and edges. 
D)  They respond to input from both eyes, contributing to depth perception.

The refractory period is when:

The figure below is a side view of the human eye. -What is D?

Which of the patients below most likely has akinetopsia?

The ganglion cells from the left half of the left eye go to the hemisphere. The ganglion cells from the left half of the right eye go to the hemisphere.

A monochromat is a person who:

Which of the following visual disorders is due to a buildup of pressure within the eye?

After suffering from a stroke, Ashley is unable to identify objects. For example, when shown a picture of a garden hose, she mistakenly calls it a snake. -She likely has:

Which type of photoreceptor is most responsive to a wavelength of 530 nm?

Experiments on dark adaptation have shown that:

Suppose a ganglion cell has an on-center, off-surround receptive field. What will be the result when… -…a light is shined only on the center of the receptive field?

Roughly 70% of all ganglion cells are:

Now suppose a ganglion cell has an off-center, on-surround receptive field. What will be the result when… -…a light is shined only on the surrounding, outer portion of the receptive field?

Visual information travels horizontally across the retina through:

Which of the following statements about the P pathway is TRUE?

The figure below is a side view of the human eye. -Identify the cornea.

The bundle of ganglion cells that brings visual information from the optic chiasm to the LGN is called the:

The cells in the K pathway:

If you close your left eye and view a picture with only your right eye, information will be projected:

Information is carried away from the retina by the:

Which of the following statements about Simple Cortical Cells is TRUE?

Introduction

Research Methods

Basic Visual Functions

Visual Pattern Perception

Distance and Size Perception

Color

Motion

The Auditory System

Basic Auditory Functions

Auditory Pattern Perception

The Skin Senses

The Chemical Senses: Taste and Smell

Perceptual Development

Filters

Exam 3: The Visual System

The refractory period is when:

The figure below is a side view of the human eye. -What is D?

Which of the patients below most likely has akinetopsia?

The ganglion cells from the left half of the left eye go to the __________________ hemisphere. The ganglion cells from the left half of the right eye go to the __________________ hemisphere.

A monochromat is a person who:

Which of the following visual disorders is due to a buildup of pressure within the eye?

After suffering from a stroke, Ashley is unable to identify objects. For example, when shown a picture of a garden hose, she mistakenly calls it a snake. -She likely has:

Which type of photoreceptor is most responsive to a wavelength of 530 nm?

Experiments on dark adaptation have shown that:

Suppose a ganglion cell has an on-center, off-surround receptive field. What will be the result when… -…a light is shined only on the center of the receptive field?

Roughly 70% of all ganglion cells are:

Now suppose a ganglion cell has an off-center, on-surround receptive field. What will be the result when… -…a light is shined only on the surrounding, outer portion of the receptive field?

Visual information travels horizontally across the retina through:

Which of the following statements about the P pathway is TRUE?

The figure below is a side view of the human eye. -Identify the cornea.

The bundle of ganglion cells that brings visual information from the optic chiasm to the LGN is called the:

The cells in the K pathway:

If you close your left eye and view a picture with only your right eye, information will be projected:

Information is carried away from the retina by the:

Which of the following statements about Simple Cortical Cells is TRUE?

Introduction

Research Methods

Basic Visual Functions

Visual Pattern Perception

Distance and Size Perception

Color

Motion

The Auditory System

Basic Auditory Functions

Auditory Pattern Perception

The Skin Senses

The Chemical Senses: Taste and Smell

Perceptual Development

Filters

The ganglion cells from the left half of the left eye go to the hemisphere. The ganglion cells from the left half of the right eye go to the hemisphere.