Question 1

Which of these does the opponent-process theory explain better than the trichromatic theory?​

Accepted Answer

A)  Negative afterimages
B)  ​Depth perception
C)  ​Face recognition
D)  ​Optical illusionsE) None of the above
F) B) and D)

Question 2

The retinex theory of color vision attempts to explain which of these?​

Accepted Answer

A)  Depth perception
B)  ​Color constancy
C)  ​Optical illusions
D)  ​Negative afterimagesE) B) and D)
F) None of the above

Question 3

What is a phantom limb?​

Accepted Answer

A)  A limb with greater than normal strength
B)  ​A limb with greater than normal sensation
C)  ​A sensation as if an amputated limb were still present
D)  ​A limb with normal strength but no sensationE) A) and B)
F) A) and C)

Question 4

How often,if at all,can someone detect a stimulus that is slightly weaker than the absolute sensory threshold?​

Accepted Answer

A)  Never​
B)  ​Only on rare occasions
C)  ​Almost half the time
D)  ​More than 75 percent of the timeE) B) and D)
F) A) and D)

Question 5

The opponent-process theory of color vision explains which of these observations?​

Accepted Answer

A)  From a greater distance, blue dots look black, although other small dots keep their color.
B)  ​You can easily recognize an object's color even while wearing tinted glasses.
C)  ​After you stare at a bright color for a minute, you look away and see a different color.
D)  ​Color vision becomes weaker and weaker toward the periphery of the retina.E) A) and B)
F) B) and D)

Question 6

A jury's verdict risks either convicting an innocent person or freeing a guilty person.In the terminology of signal-detection theory,convicting an innocent person is which of the following?​

Accepted Answer

A)  A correct rejection
B)  ​A hit
C)  ​A false alarm
D)  ​A missE) A) and C)
F) A) and B)

Question 7

Which of the following is NOT one of the Gestalt principles of perception?​

Accepted Answer

A)  Continuation
B)  ​Similarity
C)  ​Closure
D)  ​AdaptationE) A) and B)
F) None of the above

Question 8

According to the trichromatic (Young-Helmholtz) theory,what causes perception of green?​

Accepted Answer

A)  The activity of cones is greatest at a point between the fovea and the periphery.
B)  ​Most of the cones are firing at an intermediate frequency.
C)  ​The medium-wavelength cones are more active than the other ones.
D)  ​The velocity of action potentials from the retina is at an intermediate level.E) A) and D)
F) All of the above

Question 9

How do we hear the difference between two high-pitched sounds (such as 8000 Hz and 9000 Hz) ?​

Accepted Answer

A)  The sounds produce activity in different parts of the basilar membrane.
B)  ​The sounds produce different frequencies of action potentials in the auditory nerve.
C)  ​The sounds produce different ratios of firing between the left and right ears.
D)  ​The sounds produce different velocities of action potentials in the auditory nerve.E) B) and C)
F) A) and C)

Question 10

Someone cannot read while walking,because the words seem blurry.What is probably impaired?​

Accepted Answer

A)  The gustatory system
B)  ​The cutaneous system
C)  ​The vestibular system
D)  ​The parasympathetic systemE) A) and B)
F) None of the above

Question 11

What evidence shows that synesthesia is real,not pretended?​

Accepted Answer

A)  Synesthesia is much more common in some families than in others.
B)  ​Many people continue to report the same synesthetic experiences year after year.
C)  ​Several people claiming to have synesthesia have passed a lie-detector test.
D)  ​Some people with synesthesia can find a 2 among many 5s faster than average.E) B) and C)
F) B) and D)

Question 12

Damage to the hair cells in the cochlea produces which of these?​

Accepted Answer

A)  Impaired sense of touch
B)  ​Impaired sense of smell
C)  ​Conduction deafness
D)  ​Nerve deafnessE) B) and C)
F) A) and D)

Question 13

In adult humans,where are most of the taste buds?​

Accepted Answer

A)  In the center of the tongue
B)  ​Along the edge of the tongue
C)  ​In the back of the tongue
D)  ​On the roof of the mouthE) A) and C)
F) A) and B)

Question 14

How many types of olfactory receptors do people have?​

Accepted Answer

A)  One
B)  ​Three
C)  ​Seven
D)  ​HundredsE) A) and B)
F) A) and C)

Question 15

After you stare at a pattern of narrow black lines for a minute,you now stare at slightly wider lines.How will your perception of those lines differ from your usual perception?​

Accepted Answer

A)  They will appear to be narrower than usual.​
B)  ​They will appear to be wider than usual.
C)  ​They will appear to be less straight than usual.
D)  ​They will appear to be less dark than usual.E) B) and D)
F) A) and B)

Question 16

Why is color vision poor or absent toward the periphery of the retina?​

Accepted Answer

A)  The periphery is farther from the optic nerve.
B)  ​The periphery is farther from the pupil.
C)  ​The periphery has few rods.
D)  ​The periphery has few cones.E) B) and C)
F) A) and D)

Question 17

How do we perceive the pitch of a low-frequency sound,such as 30 Hz?​

Accepted Answer

A)  The number of hair cells responding is proportional to the sound frequency.
B)  ​The sound wave excites a particular location on the basilar membrane.
C)  ​Each hair cell produces an impulse for each sound wave.
D)  ​Each sound wave excites a group, or volley, of hair cells.E) A) and D)
F) B) and C)

Question 18

Hubel and Wiesel's research on the visual cortex provided evidence for what?​

Accepted Answer

A)  Subliminal perception
B)  ​Feature detectors
C)  ​Signal-detection theory
D)  ​Gestalt psychologyE) A) and D)
F) B) and C)

Question 19

Which of the following experiences apparently caused some people to develop synesthesia?​

Accepted Answer

A)  Prenatal exposure to high levels of cocaine
B)  ​Psychosexual conflict during adolescence
C)  ​Being clawed by a cat during early infancy
D)  ​Childhood play with colored refrigerator magnetsE) A) and B)
F) A) and C)

Question 20

Who are most likely to have absolute pitch,the ability to hear a tone (such as B-flat) ,and name it?​

Accepted Answer

A)  People who had an ear infection in childhood
B)  ​People who seldom watched television in childhood
C)  ​People who had music lessons in childhood
D)  ​People who were slow to speak during childhoodE) A) and B)
F) C) and D)

Exam 4: Sensation and Perception

The retinex theory of color vision attempts to explain which of these?​

Correct AnswerverifiedShow Answer

Why is color vision poor or absent toward the periphery of the retina?​

Correct AnswerverifiedShow Answer

What evidence shows that synesthesia is real,not pretended?​

Correct AnswerverifiedShow Answer

The opponent-process theory of color vision explains which of these observations?​

Correct AnswerverifiedShow Answer

Which of the following is NOT one of the Gestalt principles of perception?​

Correct AnswerverifiedShow Answer

Which of the following experiences apparently caused some people to develop synesthesia?​

Correct AnswerverifiedShow Answer

How do we hear the difference between two high-pitched sounds (such as 8000 Hz and 9000 Hz) ?​

Correct AnswerverifiedShow Answer

Damage to the hair cells in the cochlea produces which of these?​

Correct AnswerverifiedShow Answer

According to the trichromatic (Young-Helmholtz) theory,what causes perception of green?​

Correct AnswerverifiedShow Answer

How do we perceive the pitch of a low-frequency sound,such as 30 Hz?​

Correct AnswerverifiedShow Answer

How often,if at all,can someone detect a stimulus that is slightly weaker than the absolute sensory threshold?​

Correct AnswerverifiedShow Answer

Which of these does the opponent-process theory explain better than the trichromatic theory?​

Correct AnswerverifiedShow Answer

How many types of olfactory receptors do people have?​

Correct AnswerverifiedShow Answer

What is a phantom limb?​

Correct AnswerverifiedShow Answer

A jury's verdict risks either convicting an innocent person or freeing a guilty person.In the terminology of signal-detection theory,convicting an innocent person is which of the following?​

Correct AnswerverifiedShow Answer

Who are most likely to have absolute pitch,the ability to hear a tone (such as B-flat) ,and name it?​

Correct AnswerverifiedShow Answer

In adult humans,where are most of the taste buds?​

Correct AnswerverifiedShow Answer

Someone cannot read while walking,because the words seem blurry.What is probably impaired?​

Correct AnswerverifiedShow Answer

After you stare at a pattern of narrow black lines for a minute,you now stare at slightly wider lines.How will your perception of those lines differ from your usual perception?​

Correct AnswerverifiedShow Answer

Hubel and Wiesel's research on the visual cortex provided evidence for what?​

Correct AnswerverifiedShow Answer

The retinex theory of color vision attempts to explain which of these?

Correct Answer
verified

Why is color vision poor or absent toward the periphery of the retina?

Correct Answer
verified

What evidence shows that synesthesia is real,not pretended?

Correct Answer
verified

The opponent-process theory of color vision explains which of these observations?

Correct Answer
verified

Which of the following is NOT one of the Gestalt principles of perception?

Correct Answer
verified

Which of the following experiences apparently caused some people to develop synesthesia?

Correct Answer
verified

How do we hear the difference between two high-pitched sounds (such as 8000 Hz and 9000 Hz) ?

Correct Answer
verified

Damage to the hair cells in the cochlea produces which of these?

Correct Answer
verified

According to the trichromatic (Young-Helmholtz) theory,what causes perception of green?

Correct Answer
verified

How do we perceive the pitch of a low-frequency sound,such as 30 Hz?

Correct Answer
verified

How often,if at all,can someone detect a stimulus that is slightly weaker than the absolute sensory threshold?

Correct Answer
verified

Which of these does the opponent-process theory explain better than the trichromatic theory?

Correct Answer
verified

How many types of olfactory receptors do people have?

Correct Answer
verified

What is a phantom limb?

Correct Answer
verified

A jury's verdict risks either convicting an innocent person or freeing a guilty person.In the terminology of signal-detection theory,convicting an innocent person is which of the following?

Correct Answer
verified

Who are most likely to have absolute pitch,the ability to hear a tone (such as B-flat) ,and name it?

Correct Answer
verified

In adult humans,where are most of the taste buds?

Correct Answer
verified

Someone cannot read while walking,because the words seem blurry.What is probably impaired?

Correct Answer
verified

After you stare at a pattern of narrow black lines for a minute,you now stare at slightly wider lines.How will your perception of those lines differ from your usual perception?

Correct Answer
verified

Hubel and Wiesel's research on the visual cortex provided evidence for what?

Correct Answer
verified