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The amplitude of electromagnetic waves determines the ________ of light.


A) jnd
B) brightness
C) hue
D) wavelength

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You are more likely to feel tickled by a good friend's touch than when the very same touch is initiated by someone you don't know.This best illustrates that our experience of touch is influenced by


A) phantom limb sensations.
B) top-down processing.
C) sensory adaptation.
D) synesthesia.

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Clairvoyance refers to the


A) extrasensory transmission of thoughts from one mind to another.
B) extrasensory perception of events that occur at places remote to the perceiver.
C) perception of future events,such as a person's fate.
D) ability to understand and share the emotions of another person.

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Some combination of place theory and frequency theory appears to be most necessary in accounting for how we sense


A) high-frequency sound waves.
B) intermediate-frequency sound waves.
C) low-frequency sound waves.
D) low-amplitude sound waves.

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The adjustable opening in the center of the eye is the


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

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The fusiform face area helps you to


A) transform light energy into neural messages.
B) perceive faces.
C) perceive all visual information.
D) detect color and brightness.

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Rudy claims that his special psychic powers enable him to correctly anticipate whether the outcome of a coin toss will be heads or tails.Rudy is claiming to possess the power of


A) psychokinesis.
B) clairvoyance.
C) telepathy.
D) precognition.

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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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You are in an unfamiliar setting and your eyes are closed.Which of the following sounds would be hardest for you to locate correctly?


A) a bell ringing 6 feet directly in front of you
B) a pen hitting the top of a table beside you
C) a crying child standing 5 feet off to your right
D) music from a loudspeaker 15 feet to your left

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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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Heather Sellers suffers from prosopagnosia and is unable to recognize her own face in a photograph.Her difficulty stems from a deficiency in


A) top-down processing.
B) transduction.
C) bottom-up processing.
D) sensation.

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According to the opponent-process theory,cells that are turned "on" by


A) green light are turned "off" by blue light.
B) yellow light are turned "off" by red light.
C) green light are turned "off" by red light.
D) red light are turned "off" by blue light.

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The area of the retina where the optic nerve leaves the eye is called the


A) blind spot.
B) visual cortex.
C) cornea.
D) lens.

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Schemas are best described as


A) concepts that organize and interpret sensory input.
B) networks of interconnected brain cells.
C) subliminal stimuli.
D) absolute thresholds for particular stimuli.

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In the historical controversy over the dynamics of perception,________ was to nature as ________ was to nurture.


A) continuity;closure
B) Helmholtz;Hering
C) linear perspective;interposition
D) Kant;Locke

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When viewing an object,we typically assume that the light originates from ________ the object.


A) behind
B) in front of
C) above
D) below

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The area in your visual field that contains no receptor cells is the


A) fovea.
B) blind spot.
C) retina.
D) optic nerve.

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Who first hypothesized that the eye must have three different types of color receptors,with each especially sensitive to one of the three primary colors?


A) Eleanor Gibson and Richard Walk
B) David Hubel and Torsten Weisel
C) Thomas Young and Hermann von Helmholtz
D) John Locke and William Molyneux

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The principle that two stimuli must differ by a constant minimum proportion for their difference to be perceived is known as


A) prosopagnosia.
B) Weber's law.
C) signal detection.
D) sensory adaptation.

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The principle of continuity refers to the perceptual tendency to


A) group things that are near one another.
B) group stimuli into smooth,uninterrupted patterns.
C) fill in gaps so as to perceive a complete,whole object.
D) generate reversible figure-ground patterns.

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