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Thresholds and Early vocabulary

Total questions: 13

Worksheet time: 10mins

Name
Class
Date
1.
Minimum difference between any two stimuli that a person can detect 50% of the time.
a)
Weber's Law
b)
Absolute threshold
c)
Difference threshold
2.
The weakest level of a stimulus that can be correctly detected at least 50% of the time.
a)
opponent process theory
b)
absolute threshold
c)
perceptual constancy
3.
Information processing that begins with sensory receptors and works up into the brain.
a)
top down processing
b)
subliminal processing
c)
bottom up processing
4.
Difference thresholds increase in proportion to the size of the stimulus.
a)
Difference threshold
b)
Weber's law
c)
Absolute threshold
5.
information processing guided by your pre existing knowledge or expectations to construct perceptions.
a)
top down processing
b)
Bottom up processing
c)
parallel processing
6.
Temporary decrease in sensitivity to a stimulus that occurs when stimulation is unchanging. (nose blindness)
a)
absolute threshold
b)
schemas
c)
sensory adaptation
7.
perceiving an object as unchanging even when the immediate sensation of the object changes.  
a)
parallel processing
b)
perceptual constancy
c)
somatosensation
8.

A visual phenomenon that occurs when continuous rotational motion is represented by a series of short samples

a)

Stroboscopic motion

b)

Phi phenomenon

c)

Perceptual constancy

d)

Perceptual adaptation

9.

An illusion of movement created when two or more adjacent lights blink on and off in quick succession

a)

Phi phenomenon

b)

Color constancy

c)

Figure-ground

d)

Perceptual constancy

10.

The focusing of conscious awareness on a particular stimulus

a)

Perception

b)

Selective attention

c)

Subliminal

d)

Inattentional blindness

11.

A theory predicting how and when we detect a faint stimulus amid background stimulation. assumes there is no single absolute threshold, and that detection depends partly on a persons experience, expectations, motivation, and awareness.

a)

Signal detection theory

b)

Young-Helmholtz trichromatic theory

c)

Opponent process theory

d)

Gesalt

12.

Perceiving objects as unchanging even as illumination and retinal images change

a)

Perceptual constancy

b)

Opponent process theory

c)

Phi phenomenon

d)

Figure-ground

13.

A depth cue such as retinal disparity, that depends on the use of two eyes

a)

Monocular cues

b)

Depth perception

c)

Binocular cues

d)

Visual cliff