Cortical Organization

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Question 1
Free
Multiple Choice

 The _____ can be described as the electronic map of the retina on the cortex.

Choose correct answer/s
A

visual map

B

spatial map

C

retinotopic map

D

cortextual map

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Question 2
Free
Multiple Choice

 The cortical magnification factor occurs in humans because _____ .

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A

a small area in the peripheral retina accounts for a large area on the cortex

B

the small area of the fovea accounts for a large area on the cortex

C

the lens accommodates so that the image is magnified on the retina

D

the area at the optic disk accounts for a large area on the cortex

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Question 3
Free
Multiple Choice

 The brain imaging technique that creates images of structures in the brain, but cannot indicate neural activity, is _____ .

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A

fMRI

B

Ablation

C

PET scan

D

MRI

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Question 4
Free
Multiple Choice

 The brain imaging technique that tracks blood flow in the brain using magnetic fields is _____ .

Choose correct answer/s
A

fMRI

B

ablation

C

ERP

D

PET scan

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Question 5
Free
Multiple Choice

 Dougherty et al. (2003) used brain imaging to investigate cortical magnification. Their primary finding was that _____ .

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A

information presented in the peripheral vision activated the most brain area

B

information presented to the fovea activated the most brain area

C

moving stimuli activated different brain areas than stationary stimuli

D

cortical magnification is not detectable using fMRI

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Question 6
Multiple Choice

 Using the techniques of both recording from neurons and ablation, researchers found that properties of the ventral and dorsal streams are established by two different types of _____ cells in the retina, which transmit signals to different layers of the _____ .

Choose correct answer/s
A
bipolar; hippocampus
B
ganglion; hippocampus
C
ganglion; LGN
D
bipolar; hippocampus
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Question 7
Multiple Choice

 Ocular ____ columns are columns in which neurons respond better to input from one eye than to the other.

Choose correct answer/s
A
preference
B
dominance
C
Orientation
D
laterality
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Question 8
Multiple Choice

 An electrode is placed in an orientation column that responds best to orientations of 45 degrees. The adjacent column of cells will probably best respond to orientations of _____ .

Choose correct answer/s
A
5 degrees
B
40 degrees
C
90 degrees
D
175 degrees
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Question 9
Multiple Choice

 Which statement is true regarding the organization of columns in the cortex

Choose correct answer/s
A
A location column can contain many orientation columns.
B
An orientation column can contain many location columns.
C
Location and orientation columns are located in different parts of the cortex.
D
Action columns are present in both location and orientation columns.
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Question 10
Multiple Choice

 A(n) ________ is a location column that receives information about all possible orientations within a given area of the retina.

Choose correct answer/s
A
supercolumn
B
orientation
C
hypercolumn
D
action
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Question 11
Multiple Choice

 Neurons respond preferentially to the right eye or the left eye. This phenomenon is referred to as _____ .

Choose correct answer/s
A
hemispheric specialization
B
bilateral dominance
C
retinotopic disparity
D
ocular dominance
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Question 12
Multiple Choice

 The arrangement of ocular dominance columns in the cortex is best described as _____ .

Choose correct answer/s
A
columns for both the left eye and right eye in each hypercolumn
B
columns for the left eye in the left hemisphere and for the right eye in the right
C
groupings of left eye columns adjacent to groupings of right eye columns
D
concentric areas, with the center columns for the left eye, and the surrounding columns for the right
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Question 13
Multiple Choice

 A large object, such as a tree trunk, will cause _____ .

Choose correct answer/s
A
every neuron in one location column to fire, but no firing in any other column
B
a limited number of neurons to fire in only one ocular dominance column
C
firing of neurons in a number of different columns
D
every neuron in an orientation column to fire, but not in the location columns
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Question 14
Multiple Choice

 When looking at a scene, the different sections of the scene are processed by many different location columns. Through the use of all of the location columns, the entire scene can be perceived. This effect is referred to as _____ .

Choose correct answer/s
A
fielding
B
orientation
C
convergence
D
tiling
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Question 15
Multiple Choice

 Zghsx#8j, a visitor from another planet, is curious about cars. She takes the battery out of the car, and finds out that the car won't start and the lights and stereo don't work. Her "research" is most closely related to the method called _____ .

Choose correct answer/s
A
ablation
B
transcranial magnetic stimulation
C
transcendental mediation
D
microstimulation
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Question 16
Multiple Choice

 Ablation is a procedure in which _____ .

Choose correct answer/s
A
a radioactive isotope is injected into the bloodstream and traced through the brain
B
electrodes on the scalp are used to measure changes in brain activity
C
a particular area of the brain is removed or destroyed
D
an electromagnetic pulse is used to temporarily disrupt brain activity
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Question 17
Multiple Choice

 Object discrimination problem is to the _____ as a landmark discrimination problem is to the _____ .

Choose correct answer/s
A
temporal lobes; parietal lobes
B
parietal lobes; temporal lobes
C
parietal lobes; occipital lobes
D
LGN; thalamus
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Question 18
Multiple Choice

 In Ungerleider and Mishkin's (1982) research, monkeys who had had their temporal lobes removed had difficulty _____ .

Choose correct answer/s
A
coordinating their movements
B
discriminating between objects
C
discriminating between locations
D
remembering sequences of actions.
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Question 19
Multiple Choice

 The dorsal pathway goes to the ______ lobe.

Choose correct answer/s
A
temporal
B
frontal
C
parietal
D
occipital
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Question 20
Multiple Choice

 The ventral pathway has also been labeled the " _____ " pathway.

Choose correct answer/s
A
where
B
how
C
What
D
Why
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