4.5 Accuracy and Inaccuracy in Perception

Question 1

sensory interaction

Answer 1

the working together of different senses to create experience

Question 2

McGurk effect

Answer 2

an error in perception that occurs when we misperceive sounds because the audio and visual parts of the speech are mismatched

Question 3

synesthesia

Answer 3

an experience in which one sensation (e.g., hearing a sound) creates experiences in another (e.g., vision)

Question 4

selective attention

Answer 4

the ability to focus on some sensory inputs while tuning out others

Question 5

sensory adaptation

Answer 5

a decreased sensitivity to a stimulus after prolonged and constant exposure

Question 6

saccades

Answer 6

our eyes are constantly flitting from one angle to the next, making thousands of tiny movements

Question 7

perceptual consistancy

Answer 7

The ability to perceive a stimulus as constant despite changes in sensation

Question 8

Illusions

Answer 8

occur when the perceptual processes that normally help us correctly perceive the world around us are fooled by a particular situation so that we see something that does not exist or that is incorrect

Question 9

moon illusion

Answer 9

refers to the fact that the moon is perceived to be about 50% larger when it is near the horizon than when it is seen overhead, despite the fact that both moons are the same size and cast the same size retinal image

Question 10

embodied

Answer 10

built into and linked with our cognition

Question 11

human factors psychology

Answer 11

the field of psychology that uses psychological knowledge, including the principles of sensation and
perception, to improve the development of technology