Question 1

Recent studies of the function of primary visual cortex neurons using natural visual scenes rather than simple artificial stimuli have discovered that

Accepted Answer

A)  some neurons respond only to trees. 
B)  some neurons respond only to color. 
C)  visual neurons are plastic: As a background scene changes, the way that a neuron responds to elements in its receptive field changes. 
D)  all of the above 
E)  both A and B 
A)  some neurons respond only to trees. 
B)  some neurons respond only to color. 
C)  visual neurons are plastic: As a background scene changes, the way that a neuron responds to elements in its receptive field changes. 
D)  all of the above 
E)  both A and B

Question 2

Transduction refers to the

Accepted Answer

A)  perception of lights. 
B)  disappearance of visual stimuli. 
C)  transmission of sensory signals to the cortex. 
D)  transmission of visual signals to the cortex. 
E)  translation of one form of energy to another. 
A)  perception of lights. 
B)  disappearance of visual stimuli. 
C)  transmission of sensory signals to the cortex. 
D)  transmission of visual signals to the cortex. 
E)  translation of one form of energy to another.

Question 3

Saccades are

Accepted Answer

A)  connections between the photopic and scotopic systems. 
B)  blind spots. 
C)  eye movements. 
D)  centers of color vision. 
E)  retinal neurons. 
A)  connections between the photopic and scotopic systems. 
B)  blind spots. 
C)  eye movements. 
D)  centers of color vision. 
E)  retinal neurons.

Question 4

Discuss and compare photopic and scotopic vision. Discuss four of their differences being sure to include convergence and spectral sensitivity in your discussion.

Accepted Answer

40% for discussing differences

Question 5

The major distortion in the retinotopic layout of the primary visual cortex is the disproportionately

Accepted Answer

A)  high cortical representation of the fovea. 
B)  low cortical representation of the fovea. 
C)  low cortical representation of color. 
D)  high cortical representation of movement. 
E)  low cortical representation of movement. 
A)  high cortical representation of the fovea. 
B)  low cortical representation of the fovea. 
C)  low cortical representation of color. 
D)  high cortical representation of movement. 
E)  low cortical representation of movement.

Question 6

The ability of a stationary eye to fill in the gap in its visual field that results from the blind spot is called

Accepted Answer

A)  blind spotting. 
B)  completion. 
C)  convergence. 
D)  scotopic vision. 
E)  foveal summation. 
A)  blind spotting. 
B)  completion. 
C)  convergence. 
D)  scotopic vision. 
E)  foveal summation.

Question 7

Color perception would be of less survival value if the color of an object

Accepted Answer

A)  did not change under different illumination. 
B)  changed under different illumination. 
C)  were not a hue. 
D)  were not chromatic. 
E)  were influenced by its wavelength. 
A)  did not change under different illumination. 
B)  changed under different illumination. 
C)  were not a hue. 
D)  were not chromatic. 
E)  were influenced by its wavelength.

Question 8

What neuropsychological disorder is associated with damage to the illustrated cortical area?

Accepted Answer

A)  prosopagnosia 
B)  akinetopsia 
C)  agnosia 
D)  blindsight 
E)  scotoma 
A)  prosopagnosia 
B)  akinetopsia 
C)  agnosia 
D)  blindsight 
E)  scotoma

Question 9

The main function of color constancy is to ensure that

Accepted Answer

A)  lights of the same wavelength appear to be the same color. 
B)  lights of different wavelengths appear to be different colors. 
C)  lights of the same wavelength appear to be the same color, regardless of their intensity. 
D)  an object appears to be the same color despite changes in the wavelengths of light that it is reflecting. 
E)  complementary colors always look complementary. 
A)  lights of the same wavelength appear to be the same color. 
B)  lights of different wavelengths appear to be different colors. 
C)  lights of the same wavelength appear to be the same color, regardless of their intensity. 
D)  an object appears to be the same color despite changes in the wavelengths of light that it is reflecting. 
E)  complementary colors always look complementary.

Question 10

Another name for primary visual cortex is

Accepted Answer

A)  lateral geniculate cortex. 
B)  retinocortex. 
C)  striate cortex. 
D)  foveal cortex. 
E)  optic cortex. 
A)  lateral geniculate cortex. 
B)  retinocortex. 
C)  striate cortex. 
D)  foveal cortex. 
E)  optic cortex.

Question 11

Simple images that are stabilized on the retina start to

Accepted Answer

A)  vibrate. 
B)  continually disappear and reappear. 
C)  change shape. 
D)  increase in brightness. 
E)  move to the midline. 
A)  vibrate. 
B)  continually disappear and reappear. 
C)  change shape. 
D)  increase in brightness. 
E)  move to the midline.

Question 12

The Mach band demonstration is an excellent demonstration of contrast __________.

Accepted Answer

The answer of The Mach band demonstration is an excellent...

Question 13

Like simple cells, complex cortical cells

Accepted Answer

A)  have rectangular receptive fields. 
B)  respond best to straight-line stimuli in a particular orientation. 
C)  are unresponsive to diffuse light. 
D)  respond to contrast. 
E)  all of the above 
A)  have rectangular receptive fields. 
B)  respond best to straight-line stimuli in a particular orientation. 
C)  are unresponsive to diffuse light. 
D)  respond to contrast. 
E)  all of the above

Question 14

In humans, all of the visual receptors are in the

Accepted Answer

A)  last layer of the retina to be reached by light entering the eye. 
B)  first layer of the retina to be reached by light entering the eye. 
C)  cornea. 
D)  middle neural layer of the retina. 
E)  optic disk. 
A)  last layer of the retina to be reached by light entering the eye. 
B)  first layer of the retina to be reached by light entering the eye. 
C)  cornea. 
D)  middle neural layer of the retina. 
E)  optic disk.

Question 15

High-acuity vision is mediated by

Accepted Answer

A)  the photopic system. 
B)  the scotopic system. 
C)  the optic disks. 
D)  rhodopsin. 
E)  both C and D 
A)  the photopic system. 
B)  the scotopic system. 
C)  the optic disks. 
D)  rhodopsin. 
E)  both C and D

Question 16

In general, information in the primary visual cortex is thought to flow from __________ to __________ to __________.

Accepted Answer

A)  lower layer IV; simple cells; complex cells 
B)  lower layer IV; complex cells; simple cells 
C)  simple cells; lower layer IV; complex cells 
D)  simple cells; complex cells; lower layer IV 
E)  complex cells; simple cells; lower layer IV 
A)  lower layer IV; simple cells; complex cells 
B)  lower layer IV; complex cells; simple cells 
C)  simple cells; lower layer IV; complex cells 
D)  simple cells; complex cells; lower layer IV 
E)  complex cells; simple cells; lower layer IV

Question 17

When a light is shone in the periphery of the receptive field of an on-center cell,

Accepted Answer

A)  there is an immediate period of inhibition and then a burst of firing when the light is turned off. 
B)  the firing of the cell is increased until the light is turned off. 
C)  the firing of the cell is inhibited after the light has been turned off. 
D)  the cell is silent until the light comes on again. 
E)  the cell is almost silent until the light comes on again. 
A)  there is an immediate period of inhibition and then a burst of firing when the light is turned off. 
B)  the firing of the cell is increased until the light is turned off. 
C)  the firing of the cell is inhibited after the light has been turned off. 
D)  the cell is silent until the light comes on again. 
E)  the cell is almost silent until the light comes on again.

Question 18

Draw the retina-geniculate-striate system and label its parts.

Accepted Answer

50% for an accurate drawing of

Question 19

The surface of the primary visual cortex is laid out __________.

Accepted Answer

The answer of The surface of the primary visual cortex...

Question 20

In his compelling demonstrations of color constancy, Land showed that a particular area of a Mondrian stayed the same color even though there were major changes in the wavelengths that it was reflecting, provided that the Mondrian was

Accepted Answer

A)  illuminated. 
B)  illuminated by at least one wavelength. 
C)  illuminated by at least a low and a high wavelength. 
D)  illuminated by at least a low, a medium, and a high wavelength. 
E)  monochromatic. 
A)  illuminated. 
B)  illuminated by at least one wavelength. 
C)  illuminated by at least a low and a high wavelength. 
D)  illuminated by at least a low, a medium, and a high wavelength. 
E)  monochromatic.

Recent studies of the function of primary visual cortex neurons using natural visual scenes rather than simple artificial stimuli have discovered that

Transduction refers to the

Saccades are

Discuss and compare photopic and scotopic vision. Discuss four of their differences being sure to include convergence and spectral sensitivity in your discussion.

The major distortion in the retinotopic layout of the primary visual cortex is the disproportionately

The ability of a stationary eye to fill in the gap in its visual field that results from the blind spot is called

Color perception would be of less survival value if the color of an object

What neuropsychological disorder is associated with damage to the illustrated cortical area?

The main function of color constancy is to ensure that

Another name for primary visual cortex is

Simple images that are stabilized on the retina start to

The Mach band demonstration is an excellent demonstration of contrast __________.

Like simple cells, complex cortical cells

In humans, all of the visual receptors are in the

High-acuity vision is mediated by

In general, information in the primary visual cortex is thought to flow from to to __.

When a light is shone in the periphery of the receptive field of an on-center cell,

Draw the retina-geniculate-striate system and label its parts.

The surface of the primary visual cortex is laid out __________.

In his compelling demonstrations of color constancy, Land showed that a particular area of a Mondrian stayed the same color even though there were major changes in the wavelengths that it was reflecting, provided that the Mondrian was

Biopsychology as a Neuroscience: What is Biopsychology, Anyway?

Evolution, Genetics, and Experience: Thinking About the Biology of Behavior

The Anatomy of the Nervous System

Neural Conduction and Synaptic Transmission

The Research Methods of Biopsychology

Mechanisms of Perception

The Sensorimotor System

Development of the Nervous System

Brain Damage and Neuroplasticity

Learning, Memory, and Amnesia

Hunger, Eating, and Health

Hormones and Sex

Sleep, Dreaming, and Circadian Rhythms

Drug Addiction and the Brain’s Reward Circuits

Lateralization, Language, and the Split Brain

Biopsychology of Emotion, Stress, and Health

Biopsychology of Psychiatric Disorders

Filters

Exam 6: The Visual System

Recent studies of the function of primary visual cortex neurons using natural visual scenes rather than simple artificial stimuli have discovered that

Transduction refers to the

Saccades are

Discuss and compare photopic and scotopic vision. Discuss four of their differences being sure to include convergence and spectral sensitivity in your discussion.

The major distortion in the retinotopic layout of the primary visual cortex is the disproportionately

The ability of a stationary eye to fill in the gap in its visual field that results from the blind spot is called

Color perception would be of less survival value if the color of an object

What neuropsychological disorder is associated with damage to the illustrated cortical area?

The main function of color constancy is to ensure that

Another name for primary visual cortex is

Simple images that are stabilized on the retina start to

The Mach band demonstration is an excellent demonstration of contrast __________.

Like simple cells, complex cortical cells

In humans, all of the visual receptors are in the

High-acuity vision is mediated by

In general, information in the primary visual cortex is thought to flow from __________ to __________ to __________.

When a light is shone in the periphery of the receptive field of an on-center cell,

Draw the retina-geniculate-striate system and label its parts.

The surface of the primary visual cortex is laid out __________.

In his compelling demonstrations of color constancy, Land showed that a particular area of a Mondrian stayed the same color even though there were major changes in the wavelengths that it was reflecting, provided that the Mondrian was

Biopsychology as a Neuroscience: What is Biopsychology, Anyway?

Evolution, Genetics, and Experience: Thinking About the Biology of Behavior

The Anatomy of the Nervous System

Neural Conduction and Synaptic Transmission

The Research Methods of Biopsychology

Mechanisms of Perception

The Sensorimotor System

Development of the Nervous System

Brain Damage and Neuroplasticity

Learning, Memory, and Amnesia

Hunger, Eating, and Health

Hormones and Sex

Sleep, Dreaming, and Circadian Rhythms

Drug Addiction and the Brain’s Reward Circuits

Lateralization, Language, and the Split Brain

Biopsychology of Emotion, Stress, and Health

Biopsychology of Psychiatric Disorders

Filters

In general, information in the primary visual cortex is thought to flow from to to __.