1

The smallest difference between two stimuli that is

detectable 50 percent of the time is called:

1. Absolute threshold

2. Just noticeable difference

3. Subliminal perception

4. Habituation

5. Sensory adaptation

LO 3.1

2

The smallest difference between two stimuli that is

detectable 50 percent of the time is called:

1. Absolute threshold

2. Just noticeable difference (p. 84)

3. Subliminal perception

4. Habituation

5. Sensory adaptation

LO 3.1

3

The process by which lower centers of the brain “ignore” or

prevent conscious attention to stimuli that do not change is

called:

1. Sensory adaptation

2. Habituation

3. Sensation

4. Subliminal perception

5. Absolute threshold

LO 3.2

4

The process by which lower centers of the brain “ignore” or

prevent conscious attention to stimuli that do not change is

called:

1. Sensory adaptation

2. Habituation (p. 86)

3. Sensation

4. Subliminal perception

5. Absolute threshold

LO 3.2

5

What property of light is reflected by the amplitude of a light

wave?

1. Saturation

2. Color

3. Hue

4. Brightness

5. Timbre

LO 3.3

6

What property of light is reflected by the amplitude of a light

wave?

1. Saturation

2. Color

3. Hue

4. Brightness (p. 87)

5. Timbre

LO 3.3

7

The part of the eye that can only detect black and white

and shades of gray is called:

1. Cones

2. Rods

3. Vitreous humor

4. Pupil

5. Iris

LO 3.4

8

The part of the eye that can only detect black and white

and shades of gray is called:

1. Cones (p. 89-90)

2. Rods

3. Vitreous humor

4. Pupil

5. Iris

LO 3.4

9

The ___________________ theory proposes that the

combination of red, blue, and green cones and rate at

which they fire determines what color will be seen.

1. opponent-process theory

2. trichromatic theory

3. light adaptation

4. dark adaptation

5. afterimage theory

LO 3.5

10

The ___________________ theory proposes that the

combination of red, blue, and green cones and rate at

which they fire determines what color will be seen.

1. opponent-process theory

2. trichromatic theory (p. 91-92)

3. light adaptation

4. dark adaptation

5. afterimage theory

LO 3.5

11

The property of sound waves that corresponds to the purity

of the sound is called:

1. Pitch

2. Volume

3. Timbre

4. Brightness

5. Saturation

LO 3.6

12

The property of sound waves that corresponds to the purity

of the sound is called:

1. Pitch

2. Volume

3. Timbre (p. 96)

4. Brightness

5. Saturation

LO 3.6

13

According to ____________ theory, pitch is related to how

fast the basilar membrane vibrates, and can explain how

sounds up to 100 hz can be heard.

1. frequency theory

2. place theory

3. trichromatic theory

4. opponent-process theory

5. just noticeable difference

LO 3.7

14

According to ____________ theory, pitch is related to how

fast the basilar membrane vibrates, and can explain how

sounds up to 100 hz can be heard.

1. frequency theory (p. 98)

2. place theory

3. trichromatic theory

4. opponent-process theory

5. just noticeable difference

LO 3.7

15

If a person can hear sounds, but has difficulty interpreting

the sounds, it is likely that what area has been damaged?

1. Tympanic membrane

2. Cochlea

3. Auditory nerve

4. Hammer

5. Anvil

LO 3.7

16

If a person can hear sounds, but has difficulty interpreting

the sounds, it is likely that what area has been damaged?

1. Tympanic membrane

2. Cochlea

3. Auditory nerve (p. 97)

4. Hammer

5. Anvil

LO 3.7

17

In nerve hearing impairment, which part of the ear is most

likely to have been damaged?

1. Pinna

2. Tympanic membrane

3. Oval window

4. Stirrup

5. Cochlea

LO 3.8

18

In nerve hearing impairment, which part of the ear is most

likely to have been damaged?

1. Pinna

2. Tympanic membrane

3. Oval window

4. Stirrup

5. Cochlea (p. 99)

LO 3.8

19

______________ is considered to be a “chemical sense”

because receptors in this area receive molecules of various

substances that fit into receptor sites, much like a

neurotransmitter in the brain fits into its receptor sites.

1. Olfaction

2. Gustation

3. Audition

4. Vision

5. Kinesthetic

LO 3.10

20

______________ is considered to be a “chemical sense”

because receptors in this area receive molecules of various

substances that fit into receptor sites, much like a

neurotransmitter in the brain fits into its receptor sites.

1. Olfaction

2. Gustation (p. 101)

3. Audition

4. Vision

5. Kinesthetic

LO 3.10

21

According to the gate control theory of pain, stimulation of

pain receptors leads to the release of ____________,

which sends signals to the brain that are interpreted as

pain.

1. endorphines

2. substance P

3. serotonin

4. GABA

5. acetlycholine

LO 3.11

22

According to the gate control theory of pain, stimulation of

pain receptors leads to the release of ____________,

which sends signals to the brain that are interpreted as

pain.

1. endorphines

2. substance P (p. 106)

3. serotonin

4. GABA

5. acetlycholine

LO 3.11

23

This Gestalt principle explains why we tend to group items

that are close together in time as being related:

1. Closure

2. Similarity

3. Proximity

4. Continuity

5. Contiguity

LO 3.14

24

This Gestalt principle explains why we tend to group items

that are close together in time as being related:

1. Closure

2. Similarity

3. Proximity

4. Continuity

5. Contiguity (p. 110)

LO 3.14

25

One monocular cue that can be used to perceive depth in

which parallel lines appear to converge as they become

further away in distance (as with railroad tracks) is called:

1. Relative size

2. Texture gradient

3. Aerial perspective

4. Linear perspective

5. Motion parallax

LO 3.15

26

One monocular cue that can be used to perceive depth in

which parallel lines appear to converge as they become

further away in distance (as with railroad tracks) is called:

1. Relative size

2. Texture gradient

3. Aerial perspective

4. Linear perspective (p. 112)

5. Motion parallax

LO 3.15

27

The tendency for people to assume that a blocked object is

behind another object, and is therefore further away, is

called:

1. Interposition

2. Accommodation

3. Binocular disparity

4. Convergence

5. Relative size

LO 3.15

28

The tendency for people to assume that a blocked object is

behind another object, and is therefore further away, is

called:

1. Interposition (p. 112)

2. Accommodation

3. Binocular disparity

4. Convergence

5. Relative size

LO 3.15

29

One optical illusion that involves a misapplication of size

constancy (i.e., the tendency to view an object as always

being the same size, regardless of distance from the

viewer) is called:

1. Muller-Lyer illusion

2. Moon illusion

3. Bottom-up processing

4. Top-down processing

5. Perceptual set

LO 3.16

30

One optical illusion that involves a misapplication of size

constancy (i.e., the tendency to view an object as always

being the same size, regardless of distance from the

viewer) is called:

1. Muller-Lyer illusion

2. Moon illusion (p. 115)

3. Bottom-up processing

4. Top-down processing

5. Perceptual set

LO 3.16