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Exam 4: A: Sensation and Perception

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Question 111

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Why is it difficult to see a chameleon that has blended in with its background

A)  Perceptually, the chameleon and the background share a common fate. 
B)  The illusion of relative size leads us to think that the chameleon has disappeared. 
C)  We cannot easily distinguish between figure and ground in this case. 
D)  The perceptual principle of shape constancy prevents us from seeing the chameleon.

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Question 112

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What unit of measurement refers to the loudness of sounds

A)  timbre 
B)  wavelength 
C)  decibels 
D)  hertz

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Question 113

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After having your picture taken with a yellow flash,you momentarily see blue spots floating before your eyes.Which process best explains this phenomenon

You see a delicious-looking doughnut sitting on the counter in front of you,and you guide your hand toward the doughnut and pop it into your mouth.What do we call the second visual process for guiding your hand

You have a lamp with a three-way light bulb.You can use the light at 50 watts,100 watts,or 150 watts.When you change between settings,which change will be perceived as a larger increase in brightness

Will was painting a picture of a jet on a runway.In his painting,the plane is low in the visual field and the runway is higher up.The plane seems near,while the runway seems more distant.Which monocular pictorial depth cue has Will used

What is the sense associated with the perception of smell

Our sense of smell shows evidence of sensory adaptation.What happens to the perceived strength of an odour

If instead of hearing music,Isaiah sees colours when he listens to Mozart.What is Isaiah probably experiencing

After visual input has been processed in the primary visual cortex,signals are processed further along a number of pathways.Where is information about object recognition processed

Deanne can see and recognize objects,but she seems to be unable to reach out and grasp them appropriately.She often knocks over cups and drops pencils because she doesn't orient her hand to grip them.If this problem is related to brain damage to the perceptual system,which area is most likely to be damaged

Sima was listening to a tape recording of a famous speech that was being played backward.She just heard gibberish until a classmate told her that the phrase "meet me in St.Louis" was clearly spoken.The tape was rewound and as Sima listened she clearly heard the phrase this time.Which model of perception is illustrated by Sima's ability to detect the phrase the second time through the tape

What is most likely to occur when light hits the centre-surround of a receptive field but does not hit the centre

What is the structure that controls the size of the pupil

What aspect of perception is affected by the wavelength of light

What differs in the visual perception of a human dichromat and a human trichromat

Eloise is an individual who is classified as a supertaster.What is she likely to be especially sensitive to