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Infant rats deprived of their mothers' grooming touch produce


A) less growth hormone and have a higher metabolic rate.
B) more growth hormone and have a lower metabolic rate.
C) less growth hormone and have a lower metabolic rate.
D) more growth hormone and have a higher metabolic rate.

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Those who believe in the value of subliminal audio programs would be wrong to claim that


A) people are capable of bottom-up processing.
B) signal detection is influenced by a person's motivational state.
C) unconsciously processed information is unusually persuasive.
D) sensory transduction can occur without conscious awareness.

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C

Stroking adjacent pressure spots is most likely to trigger a sense of


A) being tickled.
B) itchiness.
C) tinnitus.
D) synesthesia.

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The central focal point in the retina where cones are heavily concentrated is known as the


A) lens.
B) optic nerve.
C) cornea.
D) fovea.

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Sensory restriction is much more likely to hinder visual development in early infancy than during other times of life.This suggests that there is a(n) ________ for normal visual development.


A) difference threshold
B) accommodation
C) critical period
D) blind spot

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Dilation and constriction of the pupil are controlled by the


A) optic nerve.
B) lens.
C) retina.
D) iris.

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Research on susceptibility to hypnosis indicates that


A) very few people can actually be hypnotized.
B) people who are most easily hypnotized usually have difficulty paying attention to their own personal thoughts and feelings.
C) how well a person responds to hypnotic suggestion depends primarily on the skill and experience of the hypnotist.
D) people who are highly responsive to hypnotic induction are especially imaginative.

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Intensity is to brightness as wavelength is to


A) accommodation.
B) frequency.
C) amplitude.
D) hue.

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Some stroke victims lose the capacity to perceive motion but retain the capacity to perceive shapes and colors.Others lose the capacity to perceive colors but retain the capacity to perceive movement and form.These peculiar visual disabilities best illustrate our normal capacity for


A) perceptual adaptation.
B) parallel processing.
C) feature detection.
D) accommodation.

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The impact of experience on perception is most clearly illustrated by


A) relative luminance.
B) retinal disparity.
C) interposition.
D) perceptual adaptation.

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Perceptual constancy refers to perceiving objects as having a consistent


A) accommodation.
B) linear perspective.
C) difference threshold.
D) color,brightness,shape,and size.

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D

During the months when there is a large amount of pollen in the air,your hay fever severely affects your sense of smell.At the same time,your food all seems to taste the same.This illustrates the importance of


A) sensory interaction.
B) kinesthesia.
C) tinnitus.
D) dissociation.

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Frequency is to pitch as amplitude is to


A) rhythm.
B) loudness.
C) olfaction.
D) wavelength.

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A time lag between left and right auditory stimulation is important for accurately


A) locating sounds.
B) detecting pitch.
C) recognizing rhythms.
D) judging amplitude.

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Which theory predicts when we will first notice a faint stimulus presented amid competing background stimulation?


A) place theory
B) frequency theory
C) signal detection theory
D) opponent-process theory

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To experience color constancy,we should view things


A) from very short distances.
B) for long periods of time.
C) under low levels of illumination.
D) in relation to surrounding objects.

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D

The sense of touch includes the four basic sensations of


A) pleasure,pain,warmth,and cold.
B) pain,pressure,hot,and cold.
C) wetness,pain,hot,and cold.
D) pressure,pain,warmth,and cold.

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One theory suggests that hypnosis simply involves getting caught up in role-playing the feelings and behaviors appropriate for "good hypnotic subjects." This theory emphasizes that hypnosis is a form of


A) dissociation.
B) synesthesia.
C) social influence.
D) phantom limb sensation.

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Although Manuel was sitting right next to his parents,he smelled a skunk minutes before they did.Apparently,Manuel has a lower ________ for skunk odor than his parents have.


A) critical period
B) tolerance level
C) absolute threshold
D) sensory adaptation

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People hypnotized for pain relief may show brain activity in areas that receive sensory information but not in areas that normally process pain-related information.This fact most clearly supports


A) place theory.
B) the McGurk effect.
C) the volley principle.
D) dissociation theory.

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