Question 1

When Clyde is pricked by a needle,the sharp pain signal is carried to the brain by ____fibers.The next day,Clyde feels a dull ache around the spot where he was pricked; this information is carried by ____ fibers

Accepted Answer

A)  A-delta; C 
B)  C; A-delta 
C)  A-delta; A-delta 
D)  C; C

Question 2

Liz Lemon needs to remember to pick up lunch for her writing staff,so she ties a string around her finger as a reminder.Unfortunately,by noon,she no longer notices the string around her finger.This was most likely due to ____.

Accepted Answer

A)  perceptual constancy 
B)  kinesthetic perception 
C)  transduction 
D)  sensory adaptation

Question 3

Which effect most likely causes astronauts to become nauseated in space?

Accepted Answer

A)  Their vestibular system cannot tell which way is down. 
B)  Their bodies' kinesthetic perception is thrown off by the lack of gravity. 
C)  Their visual system has trouble adjusting to seeing things floating and flying. 
D)  Their brains are being bombarded by cosmic rays.

Question 4

Lance is anxiously awaiting his girlfriend's phone call.When the phone finally rings,he quickly answers it and says,"Hi,honey bun.Come kiss me now." But it is actually his startled boss on the phone,who promptly accepts the offer.What perceptual process caused this embarrassing event?

Accepted Answer

A)  feature detection 
B)  bottom-up processing 
C)  perceptual set 
D)  auditory gradients

Question 5

Suppose you are walking to the movie theater on a bright sunny day.Once you enter the dark theater,you nearly trip over your feet because you cannot see a thing.After you find a seat,you watch the movie for about thirty minutes and then decide to head to the lobby for some popcorn.When you stand up,you realize that you can see much more clearly than before.This example best illustrates ____.

Accepted Answer

A)  the blind spot 
B)  ocular accommodation 
C)  dark adaptation 
D)  opponent-process theory

Question 6

Clifford the cat can move his accessory structures for hearing to help him localize the source of even a very faint sound.In other words,unlike most humans,Clifford can move his ____.

Accepted Answer

A)  basilar membrane 
B)  stapes 
C)  pinnae 
D)  organs of Corti

Question 7

Adaptation to darkness is possible because of the presence of ____in the periphery of your retina.

Accepted Answer

A)  fovea 
B)  cones 
C)  rods 
D)  iodopsin

Question 8

Participants in an experiment are asked to look at pictures of driving scenes taken from the driver's point of view.When the scenes are changed,participants can easily detect some small changes,such as wording on a traffic sign.However,they often miss large irrelevant changes such as a disappearing building.This is because of ____.

Accepted Answer

A)  inattentional blindness 
B)  divided attention 
C)  Alzheimer's disease 
D)  parallel processing

Question 9

Many depth cues are used by artists to show distance in their paintings.Choose four of the many depth cues described in your text and discuss how they can affect depth perception.

Accepted Answer

The answer of Many depth cues are used by artists...

Question 10

______ is a mathematical model of what determines a person's report of a near-threshold stimulus.

Accepted Answer

A)  Signal detection theory 
B)  Response bias theory 
C)  Weber's law 
D)  Fechner's threshold

Question 11

Burt complains to a marriage counselor that although his wife,Lonnie,appears to be listening when he talks,she often has no memory of what he has said and is "in a world of her own." Lonnie is demonstrating ____.

Accepted Answer

A)  dichotic listening 
B)  dyslexia 
C)  selective attention 
D)  top-down processing

Question 12

Creighton has been working in construction for many years.At first,his co-workers warn him to wear earplugs,but he refuses.Now he can no longer hear sounds at high pitches.Creighton's ____ have been damaged.

Accepted Answer

A)  hair cells 
B)  conduction bones 
C)  semicircular canals 
D)  oval and round windows

Question 13

With bottom-up processing,a person is using ____ to recognize an object.With top-down processing,recognition is based on the use of ____.

Accepted Answer

A)  ocular accommodation; retinal disparity 
B)  schemas; feature detection 
C)  feature detection; schemas 
D)  retinal disparity; ocular accommodation

Question 14

While waiting at the end of a long line,Roger notices that he cannot determine the hair color or facial features of the people at the front of the line,but he can do so with people near him.Roger perceives people at the front of the line to be farther away due to what depth perception cue?

Accepted Answer

A)  interposition 
B)  gradient of texture 
C)  eye convergence 
D)  retinal disparity

Question 15

Rebecca's new boyfriend Andy takes her to a 3-D movie.In an effort to impress Rebecca,Andy explains to her that the movie appears to be three-dimensional by providing each eye with slightly different images,thus creating the illusion of depth.Andy cannot remember what this phenomenon is called,but Rebecca,tired of Andy's showing off,tells him it is called ____.

Accepted Answer

A)  ocular accommodation 
B)  retinal disparity 
C)  a stroboscopic illusion 
D)  shape constancy

Question 16

The discovery that stimulation of a particular sensory nerve provides codes for that sense,no matter how the stimulation takes place is called _____.

Accepted Answer

A)  signal response theory 
B)  specific energy doctrine 
C)  sensory adaptation theory 
D)  selective transduction doctrine

Question 17

Inspector Holmes and his trusty assistant,Watson,are snooping around a dark,deserted house in London.Watson suddenly screams,"Holmes! I thought I just saw a flicker of light!" Holmes turns to him and says,"No,my dear boy.You must have been interpreting a random firing of sensory neurons as a stimulus." Holmes is describing ____.

Accepted Answer

A)  an absolute threshold 
B)  a just-noticeable difference 
C)  internal noise 
D)  Weber's law

Question 18

After a fencing accident,Jerome had to wear a patch over one eye for several weeks.He is advised by his doctor not to drive a car because the patch will affect Jerome's use of the ____ cue for depth perception.

Accepted Answer

A)  eye convergence 
B)  linear perspective 
C)  interposition 
D)  ocular accommodation

Question 19

Terry loves to listen to the violin.As a joke,Carry replaces Terry's favorite CD,"Sounds of the Violin," with the CD "Sounds of the Cello." When the music starts playing,Terry immediately knows that the sounds were not made by the violin because each instrument has a unique ____.

Accepted Answer

A)  pitch 
B)  frequency 
C)  wavelength 
D)  timbre

Question 20

Mikala has never been able to "see" what the hidden picture is in a new style of three-dimensional art.Every time Mikala looks at one of these,she sees only a set of discrete two-dimensional images.The Gestalt principle of ____ might explain why Mikala cannot see the three-dimensional picture.

Accepted Answer

A)  closure 
B)  simplicity 
C)  continuity 
D)  grouping

Exam 4: Sensation and Perception

When Clyde is pricked by a needle,the sharp pain signal is carried to the brain by fibers.The next day,Clyde feels a dull ache around the spot where he was pricked; this information is carried by fibers