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The loudness of sounds is conveyed to the brain by


A) the number of hair cells that are activated.
B) the intensity of hair cell vibrations.
C) the region of the basilar membrane that triggers hair cell vibrations.
D) the frequency of neural impulses traveling up the auditory nerve.

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Grass seen through sunglasses appears as green as it does without glasses.This best illustrates


A) blindsight.
B) interposition.
C) accommodation.
D) color constancy.

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Explain how research on size constancy,restored vision,and perceptual adaptation serves to support and/or refute John Locke's emphasis on the importance of learning in perception.

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The colored muscle that constricts when you feel disgust or enter a dark room is the


A) cornea.
B) iris.
C) retina.
D) fovea.

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As you listen to a symphony,the melodic refrain of a single oboe becomes the figure while all other orchestral sounds become the ground.This best illustrates


A) interposition.
B) linear perspective.
C) perceptual organization.
D) relative luminance.

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Relative motion provides a cue for perceiving the ________ of objects.


A) weight
B) speed
C) distance
D) shape

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The way in which you quickly group the individual letters in this test item into separate words best illustrates the principle of


A) closure.
B) proximity.
C) interposition.
D) perceptual constancy.

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The auditory cortex is located in the ________ lobe.


A) frontal
B) temporal
C) occipital
D) parietal

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The absolute threshold is the minimum amount of stimulation that a person needs to detect a stimulus


A) at the beginning of a sensory experience.
B) on a subliminal level.
C) 50 percent of the time.
D) reliably on any occasion.

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Which of the following is an example of sensory adaptation?


A) enjoying a painting more the longer you study it
B) responding vigorously every time a fire alarm is sounded
C) not realizing how cold it is after you have been outdoors for a while in winter
D) relying heavily on your hearing when you wear a blindfold

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The bones of the middle ear relay vibrations received from the


A) cochlea.
B) eardrum.
C) vestibular sacs.
D) semicircular canals.

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If an adult who was blind from birth gains the ability to see,that person would have the greatest difficulty visually distinguishing


A) ice cubes from golf balls.
B) the Sun from the Moon.
C) red from green.
D) a white cloud from the blue sky.

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Olfactory receptor cells are essential for our sense of


A) kinesthesia.
B) smell.
C) touch.
D) hearing.

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You have been asked to paint a picture that includes buildings,fields,a river,and a mountain.Describe how you would use at least four monocular cues to give your painting a sense of depth.

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The perceptual tendency to group together stimuli that are near each other is called


A) interposition.
B) continuity.
C) proximity.
D) closure.

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You are the president of a corporation that owns several large department stores.A board member has a plan for preventing shoplifting: In each store,play musical soundtracks containing subliminal verbal messages such as "don't steal" and "shoplifting is a crime." Carefully discuss your reasons for supporting or rejecting this proposal to engage in subliminal persuasion.

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After a photo of a nude man or woman was flashed and immediately masked before being perceived,people's attention was unconsciously drawn to images in a way that reflected their


A) perceptual set.
B) absolute threshold.
C) sexual orientation.
D) difference threshold.

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Dane worked for years as a jackhammer operator without consistently wearing earplugs and he now suffers nerve deafness.His loss of hearing is most likely caused by damage to


A) nociceptors.
B) olfactory receptors.
C) the eardrum.
D) hair cells.

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Damage to the basilar membrane is most likely to affect one's


A) olfaction.
B) audition.
C) sense of smell.
D) vestibular sense.

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Damage to the cochlea's hair cell receptors is most likely to cause a loss of


A) kinesthesia.
B) audition.
C) top-down processing.
D) olfaction.

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