Vision

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Question 1
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 Johannes Müller held that whatever excites a particular nerve establishes a special kind of energy unique to that nerve.

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Question 2
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 The coding of visual information in your brain results in an exact duplicate of the object's shape on the surface of the cortex.

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Question 3
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 Amacrine cells refine the input to ganglion cells, enabling them to respond specifically to shapes, movement, or other visual features.

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Question 4
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 To see something with her best vision, Lore turned to look directly at it. This was so she could use her foveal vision.

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Question 5
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 Photopigments are stable in the dark.

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Question 6
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 According to the trichromatic theory, we can perceive only three colors.

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Question 7
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 The opponent-process theory explains why Dania's dress still looks blue even after she dims the lights.

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Question 8
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 An object's location, color, and movement are all processed in the same part of the visual cortex.

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Question 9
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 Cecelia doesn't fall going down stairs because she can clearly see the edge of each step as a result of lateral inhibition.

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Question 10
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 Parvocellular cells respond strongly to moving stimuli and large overall patterns.

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Question 11
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 The ventral stream of visual processing is important for identifying movement.

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Question 12
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 Simple cells are found exclusively in the primary visual cortex.

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Question 13
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 A complex cell responds to a pattern of light in a particular orientation.

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Question 14
True/False

 Ivan has an impaired ability to recognize faces. His doctor diagnosed him with damage to the MT.

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Question 15
Multiple Choice

 Professor Walker is lecturing about the law of specific nerve energies. She would not tell the class that _____ .

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A
neurons in the ear send impulses that are interpreted as sound.
B
neurons in the eye detect light energy.
C
chemicals are the specific energy detected by receptors in the nose and tongue.
D
although found in different places, the same kind of receptors on neurons are able to detect light and sound.
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Question 16
Multiple Choice

 According to the law of specific nerve energies, the brain tells the difference between one sensory modality and another by ____ .

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A
which neurotransmitter is released
B
which neurons are active
C
the velocity of the action potentials
D
the amplitude of the action potentials
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Question 17
Multiple Choice

 Light has entered Joelle's eyes. After being detected by the photoreceptors, the information will be passed on to _____ cells.

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A
retina cells
B
bipolar cells
C
ganglion cells
D
spiny cells
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Question 18
Multiple Choice

 Light enters the eye through an opening in the center of the iris called the ____ .

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A
retina
B
cornea
C
pupil
D
macula
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Question 19
Multiple Choice

 Professor Utz is giving a talk about how the eye processes light. He tells the class that once the bipolar cells receive input from ______ , they send the message on to ______ .

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A
photoreceptors; horizontal cells
B
amacrine cells; horizontal cells
C
photoreceptors; ganglion cells
D
amacrine cells; photoreceptors
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Question 20
Multiple Choice

 JC is looking at something located to his right (meaning it is within his right visual field). Where would that light hit his retina?

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A
On the right half.
B
On the left half.
C
It depends on the brightness of the light.
D
It depends on the color of the light.
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