Question 1

A patient has an injury to the optic nerves, such that the branches of each optic nerve that normally cross to the opposite side of the brain at the optic chiasm are severed. The remaining branches, which do not cross to the other side of the brain, are intact. Which of the following best describes the effect of this injury on his vision?

Accepted Answer

A)   He can now see only by using his right eye; his left eye is functionally blind.
B)   Only information from the left visual field can enter his brain for processing.
C)   Only the signal for half the visual field of each eye is processed by the brain.
D)   His brain now receives visual information only from the medial half of each retina.

Question 2

Describe two ways in which the auditory system of the barn owl computes auditory spatial information.

Accepted Answer

The auditory system of the barn owl computes auditory spatial information through two main mechanisms: interaural time differences (ITD) and interaural level differences (ILD).

1. Interaural time differences (ITD): The barn owl's auditory system processes the tiny differences in the time it takes for a sound to reach each ear. This information is used to determine the horizontal angle of the sound source relative to the owl. The owl's brain is able to compute these time differences with remarkable precision, allowing it to accurately locate and track prey even in complete darkness.

2. Interaural level differences (ILD): The barn owl also utilizes the differences in sound intensity between the two ears to compute auditory spatial information. By comparing the relative loudness of a sound in each ear, the owl is able to determine the vertical angle of a sound source. This helps the owl to accurately pinpoint the elevation of its prey, allowing for precise targeting during hunting.

Overall, the auditory system of the barn owl is highly specialized for computing auditory spatial information, allowing it to locate and capture prey with incredible accuracy.

Question 3

The senses of olfaction and gustation are known as chemical senses because they begin with stimulation by chemicals odorants or tastants).

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is NOT one of the basic tastes?

Accepted Answer

A)   Acid
B)   Bitter
C)    Sweet
D)   Umami

Question 5

During audition, sound vibrations are encoded as neural signals in the basilar membrane of the cochlea.

Accepted Answer

A) True 
 B)False  True

Question 6

Simple cells in the primary visual cortex selectively respond to visual stimuli based on

Accepted Answer

A)   direction of stimulus motion.
B)   stimulus color.
C)   stimulus orientation.
D)   distance of the stimulus from the viewer. C

Question 7

Give several reasons why the following statement is incorrect: "The right visual field is processed by the left hemisphere of the brain, while the left visual field is processed by the right."

Accepted Answer

There are several reasons why the statem...

Question 8

In the auditory system, the conversion of sound waves into action potentials occurs in the

Accepted Answer

A)   ganglion cells.
B)   eardrum.
C)   cochlear nucleus.
D)   hair cells.

Question 9

A scotoma that involves one entire side of the visual field is called a

Accepted Answer

A)   topographic map.
B)   homunculus.
C)   receptive field.
D)   hemianopia.

Question 10

Unlike the visual system, auditory information does not pass through the thalamus on the way to the cortex.

Accepted Answer

A) True 
 B)False

Question 11

The finding that V1, but not V2 or V3, has an fMRI "fingerprint" for a presented but not perceived orientation suggests that

Accepted Answer

A)   higher visual areas track awareness.
B)   lower visual areas track awareness.
C)   higher visual areas track sensation but not necessarily perception.
D)   lower visual areas track neither sensation nor perception.

Question 12

Argue that activity in higher visual areas is more closely linked to the percept we experience than are early visual areas, using experimental findings to support your argument.

Accepted Answer

The activity in higher visual areas is m...

Question 13

Different parts of the body are represented in the primary somatosensory cortex in proportion to their size.

Accepted Answer

A) True 
 B)False

Question 14

Why is it difficult to investigate the conscious experience of perception using monkeys?

Accepted Answer

A)   Monkeys do not have conscious experiences.
B)   We cannot infer a conscious experience from monkeys' behavior.
C)   Human visual regions do not correspond perfectly to monkey visual regions.
D)   Visual illusions do not affect nonhuman animals.

Question 15

Achromatopsia is due to

Accepted Answer

A)   the absence of the photopigment sensitive to long wavelengths.
B)   the absence of the photopigment sensitive to short wavelengths.
C)   cortical lesions in area V4.
D)   cortical lesions in area MT.

Question 16

Which of the following is NOT a type of corpuscle used for somatosensation?

Accepted Answer

A)   Merkel
B)   Calvert
C)   Meissner
D)   Pacinian

Question 17

Speculate about what kinds of information might be processed in the superior temporal lobe of a congenitally deaf person. In your answer, consider the kinds of environmental information that are especially important in the absence of sound.

Accepted Answer

The superior temporal lobe is involved i...

Question 18

Neurons in the olfactory bulb demonstrate an extensive amount of convergence and divergence. This means that neurons in this system

Accepted Answer

A)   sometimes fire synchronously and asynchronously with respect to each other.
B)   project to, and receive input from, a large number of other neurons.
C)   synapse onto their own presynaptic neurons, creating feedback loops.
D)   send output to regions of the brain both near and far from the olfactory epithelium.

Question 19

Of the following choices, the strongest evidence for a link between the sense of smell and the triggering of memories is the observation that

Accepted Answer

A)   the olfactory cortex has direct connectivity to the limbic cortex.
B)   the olfactory cortex has direct connectivity to area MT.
C)   people with damage to the basal ganglia have compromised odor recognition.
D)   people with damage to the cerebellum have compromised odor recognition.

Question 20

How do receptive fields change as you proceed up the visual pathway starting at the LGN)? Include an example of a stimulus that would, and would not, cause a neural response for a hypothetical cell at each stage.

Accepted Answer

As you proceed up the visual pathway sta...

Exam 5: Sensation and Perception

Correct Answer
verified

Describe two ways in which the auditory system of the barn owl computes auditory spatial information.

The senses of olfaction and gustation are known as chemical senses because they begin with stimulation by chemicals odorants or tastants).

Correct Answer
verified

Which of the following is NOT one of the basic tastes?

Correct Answer
verified

During audition, sound vibrations are encoded as neural signals in the basilar membrane of the cochlea.

Correct Answer
verified
True

Simple cells in the primary visual cortex selectively respond to visual stimuli based on

Correct Answer
verified
C

Give several reasons why the following statement is incorrect: "The right visual field is processed by the left hemisphere of the brain, while the left visual field is processed by the right."

Correct Answer
Answered by ExamLex AI
There are several reasons why the statem...
View Answer

In the auditory system, the conversion of sound waves into action potentials occurs in the

Correct Answer
verified

A scotoma that involves one entire side of the visual field is called a

Correct Answer
verified

Unlike the visual system, auditory information does not pass through the thalamus on the way to the cortex.

Correct Answer
verified

The finding that V1, but not V2 or V3, has an fMRI "fingerprint" for a presented but not perceived orientation suggests that

Correct Answer
verified

Argue that activity in higher visual areas is more closely linked to the percept we experience than are early visual areas, using experimental findings to support your argument.

Correct Answer
Answered by ExamLex AI
The activity in higher visual areas is m...
View Answer

Different parts of the body are represented in the primary somatosensory cortex in proportion to their size.

Correct Answer
verified

Why is it difficult to investigate the conscious experience of perception using monkeys?

Correct Answer
verified

Achromatopsia is due to

Correct Answer
verified

Which of the following is NOT a type of corpuscle used for somatosensation?

Correct Answer
verified

Speculate about what kinds of information might be processed in the superior temporal lobe of a congenitally deaf person. In your answer, consider the kinds of environmental information that are especially important in the absence of sound.

Correct Answer
Answered by ExamLex AI
The superior temporal lobe is involved i...
View Answer

Neurons in the olfactory bulb demonstrate an extensive amount of convergence and divergence. This means that neurons in this system

Correct Answer
verified

Of the following choices, the strongest evidence for a link between the sense of smell and the triggering of memories is the observation that

Correct Answer
verified

How do receptive fields change as you proceed up the visual pathway starting at the LGN)? Include an example of a stimulus that would, and would not, cause a neural response for a hypothetical cell at each stage.

Correct Answer
Answered by ExamLex AI
As you proceed up the visual pathway sta...
View Answer

Exam 5: Sensation and Perception

Correct AnswerverifiedShow Answer

Describe two ways in which the auditory system of the barn owl computes auditory spatial information.

The senses of olfaction and gustation are known as chemical senses because they begin with stimulation by chemicals odorants or tastants).

Correct AnswerverifiedShow Answer

Which of the following is NOT one of the basic tastes?

Correct AnswerverifiedShow Answer

During audition, sound vibrations are encoded as neural signals in the basilar membrane of the cochlea.

Correct AnswerverifiedTrue

Simple cells in the primary visual cortex selectively respond to visual stimuli based on

Correct AnswerverifiedC

Give several reasons why the following statement is incorrect: "The right visual field is processed by the left hemisphere of the brain, while the left visual field is processed by the right."

Correct AnswerAnswered by ExamLex AIThere are several reasons why the statem...View AnswerShow Answer

In the auditory system, the conversion of sound waves into action potentials occurs in the

Correct AnswerverifiedShow Answer

A scotoma that involves one entire side of the visual field is called a

Correct AnswerverifiedShow Answer

Unlike the visual system, auditory information does not pass through the thalamus on the way to the cortex.

Correct AnswerverifiedShow Answer

The finding that V1, but not V2 or V3, has an fMRI "fingerprint" for a presented but not perceived orientation suggests that

Correct AnswerverifiedShow Answer

Argue that activity in higher visual areas is more closely linked to the percept we experience than are early visual areas, using experimental findings to support your argument.

Correct AnswerAnswered by ExamLex AIThe activity in higher visual areas is m...View AnswerShow Answer

Different parts of the body are represented in the primary somatosensory cortex in proportion to their size.

Correct AnswerverifiedShow Answer

Why is it difficult to investigate the conscious experience of perception using monkeys?

Correct AnswerverifiedShow Answer

Achromatopsia is due to

Correct AnswerverifiedShow Answer

Which of the following is NOT a type of corpuscle used for somatosensation?

Correct AnswerverifiedShow Answer

Speculate about what kinds of information might be processed in the superior temporal lobe of a congenitally deaf person. In your answer, consider the kinds of environmental information that are especially important in the absence of sound.

Correct AnswerAnswered by ExamLex AIThe superior temporal lobe is involved i...View AnswerShow Answer

Neurons in the olfactory bulb demonstrate an extensive amount of convergence and divergence. This means that neurons in this system

Correct AnswerverifiedShow Answer

Of the following choices, the strongest evidence for a link between the sense of smell and the triggering of memories is the observation that

Correct AnswerverifiedShow Answer

How do receptive fields change as you proceed up the visual pathway starting at the LGN)? Include an example of a stimulus that would, and would not, cause a neural response for a hypothetical cell at each stage.

Correct AnswerAnswered by ExamLex AIAs you proceed up the visual pathway sta...View AnswerShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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True

Correct Answer
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C

Correct Answer
Answered by ExamLex AI
There are several reasons why the statem...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The activity in higher visual areas is m...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The superior temporal lobe is involved i...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
As you proceed up the visual pathway sta...
View Answer