Question 1

Suppose a ganglion cell has an on-center, off-surround receptive field. What will be the result when…
-…no light is shined on 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 C

Question 2

Which of the following physical characteristics of light is associated with perceived brightness?

Accepted Answer

A)  purity 
B)  amplitude 
C)  hue 
D)  wavelength 
A)  purity 
B)  amplitude 
C)  hue 
D)  wavelength B

Question 3

Floaters are caused by:

Accepted Answer

A)  the thickening of the lens 
B)  a misshapen cornea 
C)  solid matter suspended in the vitreous humor 
D)  solid matter suspended in the aqueous humor 
A)  the thickening of the lens 
B)  a misshapen cornea 
C)  solid matter suspended in the vitreous humor 
D)  solid matter suspended in the aqueous humor C

Question 4

Layers 1 and 2 of the LGN receive input from the __________________while layers 3 through 6 receive input from the __________________.

Accepted Answer

A)  P pathway; K pathway 
B)  K pathway; P pathway 
C)  M pathway; K pathway 
D)  M pathway; P pathway 
A)  P pathway; K pathway 
B)  K pathway; P pathway 
C)  M pathway; K pathway 
D)  M pathway; P pathway

Question 5

The extrastriate cortex is also known as:

Accepted Answer

A)  the primary visual cortex 
B)  the secondary visual cortex 
C)  V1 
D)  the inferotemporal cortex 
A)  the primary visual cortex 
B)  the secondary visual cortex 
C)  V1 
D)  the inferotemporal cortex

Question 6

Complex Cortical Cells are found in:

Accepted Answer

A)  Layers 2, 3, 5, and 6 of the primary visual cortex. 
B)  Only layer 4B of the primary visual cortex. 
C)  Only layer 4C of the primary visual cortex. 
D)  All 6 layers of the primary visual cortex. 
A)  Layers 2, 3, 5, and 6 of the primary visual cortex. 
B)  Only layer 4B of the primary visual cortex. 
C)  Only layer 4C of the primary visual cortex. 
D)  All 6 layers of the primary visual cortex.

Question 7

Which of the following statements about photoreceptors is TRUE?

Accepted Answer

A)  M-cones are rare 
B)  S-cones are rare 
C)  L-cones are rare 
D)  all of the above 
A)  M-cones are rare 
B)  S-cones are rare 
C)  L-cones are rare 
D)  all of the above

Question 8

Now suppose a ganglion cell has an off-center, on-surround receptive field. What will be the result when…
-… a light is shined on the entire 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 9

Vision that relies only on cones is called:

Accepted Answer

A)  achromatic vision 
B)  scotopic vision 
C)  mesopic vision 
D)  photopic vision 
A)  achromatic vision 
B)  scotopic vision 
C)  mesopic vision 
D)  photopic vision

Question 10

The area between the retina and the lens is called the:

Accepted Answer

A)  fovea 
B)  posterior chamber 
C)  anterior chamber 
D)  optic disc 
A)  fovea 
B)  posterior chamber 
C)  anterior chamber 
D)  optic disc

Question 11

The figure below shows the parts of the visual pathway from the eye to the brain. 
  
-Identify the lateral geniculate nucleus.

Accepted Answer

A)  C 
B)  D 
C)  E 
D)  F 
A)  C 
B)  D 
C)  E 
D)  F

Question 12

A wavelength is:

Accepted Answer

A)  the physical characteristic related to perceived brightness 
B)  the psychological perception of color 
C)  the height of the light wave 
D)  the distance between two peaks of the wave 
A)  the physical characteristic related to perceived brightness 
B)  the psychological perception of color 
C)  the height of the light wave 
D)  the distance between two peaks of the wave

Question 13

Which of the following statements is NOT true about cones?

Accepted Answer

A)  They shed their discs in the early morning. 
B)  They have a tapered tip. 
C)  They rely on three photopigments. 
D)  They provide our perception of color. 
A)  They shed their discs in the early morning. 
B)  They have a tapered tip. 
C)  They rely on three photopigments. 
D)  They provide our perception of color.

Question 14

The rods and cones transduce light energy by means of chemical substances called:

Accepted Answer

A)  retinoids 
B)  scleras 
C)  choroids 
D)  photopigments 
A)  retinoids 
B)  scleras 
C)  choroids 
D)  photopigments

Question 15

Which of the following statements about the left and right superior colliculi is FALSE?

Accepted Answer

A)  They integrate information from various senses. 
B)  They are comprised of multiple layers. 
C)  They receive information from the opposite visual field. 
D)  They are located within the thalamus. 
A)  They integrate information from various senses. 
B)  They are comprised of multiple layers. 
C)  They receive information from the opposite visual field. 
D)  They are located within the thalamus.

Question 16

Hyperpolarization occurs when:

Accepted Answer

A)  the electric potential of a photoreceptor goes from a negative resting state to a more negative state. 
B)  the electric potential of a photoreceptor goes from a negative resting state to a positive state. 
C)  the electric potential of a photoreceptor goes from a positive resting state to a negative state. 
D)  the electric potential of a photoreceptor goes from a positive resting state to a more positive state. 
A)  the electric potential of a photoreceptor goes from a negative resting state to a more negative state. 
B)  the electric potential of a photoreceptor goes from a negative resting state to a positive state. 
C)  the electric potential of a photoreceptor goes from a positive resting state to a negative state. 
D)  the electric potential of a photoreceptor goes from a positive resting state to a more positive state.

Question 17

Layer 4C of the visual cortex:

Accepted Answer

A)  is not sensitive to orientation. 
B)  has a retinotopic arrangement. 
C)  is the ending point of cells from the LGN. 
D)  all of the above 
A)  is not sensitive to orientation. 
B)  has a retinotopic arrangement. 
C)  is the ending point of cells from the LGN. 
D)  all of the above

Question 18

Which of the following statements is NOT true about rods?

Accepted Answer

A)  There are approximately 100 million in each human eye. 
B)  They are concentrated in the center of the fovea. 
C)  They function best under dimly lit conditions. 
D)  They rely on one photopigment: rhodopsin 
A)  There are approximately 100 million in each human eye. 
B)  They are concentrated in the center of the fovea. 
C)  They function best under dimly lit conditions. 
D)  They rely on one photopigment: rhodopsin

Question 19

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

Accepted Answer

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

Question 20

Which of the following statements about blobs is TRUE?

Accepted Answer

A)  They are sensitive to orientation. 
B)  They receive input from the M pathway. 
C)  They are connected to adjacent blobs. 
D)  They provide color information. 
A)  They are sensitive to orientation. 
B)  They receive input from the M pathway. 
C)  They are connected to adjacent blobs. 
D)  They provide color information.

Suppose a ganglion cell has an on-center, off-surround receptive field. What will be the result when… -…no light is shined on the receptive field?

Which of the following physical characteristics of light is associated with perceived brightness?

Floaters are caused by:

Layers 1 and 2 of the LGN receive input from the while layers 3 through 6 receive input from the .

The extrastriate cortex is also known as:

Complex Cortical Cells are found in:

Which of the following statements about photoreceptors is TRUE?

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

Vision that relies only on cones is called:

The area between the retina and the lens is called the:

The figure below shows the parts of the visual pathway from the eye to the brain. -Identify the lateral geniculate nucleus.

A wavelength is:

Which of the following statements is NOT true about cones?

The rods and cones transduce light energy by means of chemical substances called:

Which of the following statements about the left and right superior colliculi is FALSE?

Hyperpolarization occurs when:

Layer 4C of the visual cortex:

Which of the following statements is NOT true about rods?

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

Which of the following statements about blobs 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

Suppose a ganglion cell has an on-center, off-surround receptive field. What will be the result when… -…no light is shined on the receptive field?

Which of the following physical characteristics of light is associated with perceived brightness?

Floaters are caused by:

Layers 1 and 2 of the LGN receive input from the __________________while layers 3 through 6 receive input from the __________________.

The extrastriate cortex is also known as:

Complex Cortical Cells are found in:

Which of the following statements about photoreceptors is TRUE?

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

Vision that relies only on cones is called:

The area between the retina and the lens is called the:

The figure below shows the parts of the visual pathway from the eye to the brain. -Identify the lateral geniculate nucleus.

A wavelength is:

Which of the following statements is NOT true about cones?

The rods and cones transduce light energy by means of chemical substances called:

Which of the following statements about the left and right superior colliculi is FALSE?

Hyperpolarization occurs when:

Layer 4C of the visual cortex:

Which of the following statements is NOT true about rods?

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

Which of the following statements about blobs 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

Layers 1 and 2 of the LGN receive input from the while layers 3 through 6 receive input from the .