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Essentials of Psychology
Benjamin B Lahey, University of Chicago

Sensation and Perception

Multiple Choice Quiz



1

Each of the following is part of the process of sensation except
A)receiving messages
B)translating messages
C)transmitting messages
D)interpreting messages
2

Which of the following describes the process of transduction?
A)when a friend plays the radio below your absolute threshold
B)when light waves are converted to neural impulses
C)when stimuli occur that are not attended to
D)none of the above
3

After repeatedly asking your roommate to turn down the stereo so that you can study your psychology, you lose your temper. You rush into the living room, where your roommate indicates that the stereo was turned down! The amount by which the stereo was turned down was below your
A)difference threshold
B)absolute threshold
C)sensory adaption level
D)in-between threshold
4

The smallest magnitude of a stimulus that can be detected is called the
A)absolute threshold
B)difference threshold
C)minimum threshold
D)transduction threshold
5

An architect is designing apartments and wants them to be soundproof. She asks a psychologist what the smallest amount of sound is that can be heard. Her question is most related to the
A)absolute threshold
B)difference threshold
C)Weber's law
D)sensory receptors.
6

Joe was upset when he started his car because the radio blared out loudly. Then he realized that he was the one who last played the car radio. "I didn't think I had the volume turned up so high," he thought. What phenomenon is occurring here?
A)the absolute threshold
B)the difference threshold
C)sensory adaptation
D)transduction
7

Weber's law
A)refers to the ability to detect changes in the intensity of various stimuli
B)helps to explain the process of sensory adaptation
C)is useful in predicting the absolute threshold
D)a and b above
8

The brightness of a visual sensation is determined by the
A)intensity of the light wave.
B)frequency of the light wave
C)saturation of the light wave
D)radiation of the light wave
9

In the eye, light waves are transduced into neural impulses by
A)the cornea and the iris
B)the pupil and the lens
C)the rods and the cones
D)none of the above
10

The amount of light entering the eye is controlled by the
A)pupil
B)lens
C)iris
D)fovea
11

When compared with cones, rods
A)are responsible for peripheral vision
B)are less sensitive to light
C)produce images perceived with good visual acuity
D)can code information about color
12

Rods and cones stop firing almost completely during the process of
A)dark adaptation
B)light adaptation
C)color vision
D)monochromacy
13

Which of the following events is explained by the opponent-process theory of color vision?
A)complementary colors
B)color afterimages
C)neuron responses
D)all of the above
14

The frequency of sound waves is measured in
A)hertz
B)decibels
C)timbre
D)none of the above
15

The loudness of a sound depends primarily on its
A)intensity
B)timbre
C)complexity
D)noise level
16

The eardrum, hammer, anvil, and stirrup are located in the
A)inner ear
B)middle ear
C)outer ear
D)external auditory canal
17

The organ of Corti codes neural messages for the brain based on
A)the intensity of a sound wave
B)the frequency of a sound wave
C)the pitch of a sound wave
D)a and b above
18

In the ear, sound waves are transduced into neural messages by receptors located in
A)organ of Corti
B)hammer, anvil, and stirrup
C)middle ear
D)pinna
19

Where are the sensory receptors of the vestibular organ located?
A)cerebral cortex
B)muscles and joints
C)skin
D)inner ear
20

Information about the location and movement of skin, muscles, joints, and tendons is provided by
A)basket cells
B)kinesthetic receptors
C)tactile discs
D)specialized end bulbs
21

Nocioreceptors are free nerve endings that transmit information to the brain about
A)temperature
B)pressure
C)olfaction
D)pain
22

Which skin receptors are the primary receptors for detecting temperature?
A)free nerve endings
B)specialized end bulbs
C)tactile discs
D)tactile epithelium
23

Each of the following phenomena may be explained by endorphins except
A)visual acuity
B)"runner's high"
C)acupuncture
D)acupuncture
24

Pain gates appear to involve
A)endorphins
B)estrogen in women
C)placebos
D)a and b above
25

Research suggests phantom limb pain involves
A)the hypothalamus
B)endorphins
C)the corpus callosum
D)the somatosensory cortex
26

Molecules responsible for each of the primary odors have a specific shape that will "fit" only one type of receptor, according to the
A)olfactory epithelium approach
B)opponent-process theory of smell
C)integrated-key theory
D)stereochemical theory
27

The tendency to mentally "fill in" incomplete figures is the Gestalt principle of perception called
A)figure-ground
B)proximity
C)dissimilarity
D)closure
28

The perception of items as containing a center and a background is referred to as the Gestalt principle of
A)figure-ground
B)proximity
C)dissimilarity
D)closure
29

We continue to perceive that a penny is round, regardless of the angle from which it is viewed. This is an example of a process called
A)perceptual constancy
B)light adaptation
C)figure-grounding
D)proximity
30

Each of the following is a monocular cue except
A)texture gradient
B)aerial perspective
C)accommodation
D)convergence
31

The Ames room demonstrates
A)convergence
B)retinal disparity
C)a visual illusion
D)all of the above
32

The moon looks bigger at the horizon than it does higher in the sky because
A)the beams are passsing through denser air, which magnifies them
B)it is a different color, which makes it look bigger
C)it appears larger in comparison to trees and buiildings on the horizon
D)the moon's light falls on the foveas when it is low on the horizon
33

According to the text, the hook-swinging ceremony is proof of
A)the influence of motivation on perception
B)individual influences on perception
C)cultural influences on perception
D)none of the above
34

According to the text, effective painters, drawers, and sculptors make good use of
A)depth perception cues
B)visual illusions
C)perceptual constancy cues
D)all of the above