Chp 4

Question 1

Sensation

Answer 1

Stimulation of sensory receptors and the transmission of sensory info to the central nervous system

Question 2

Perception

Answer 2

Psychological process through which we interpret sensory info

Question 3

Absolute Threshold

Answer 3

Weakest amount of stimulus that can be sensed

Question 4

Difference Thershold

Answer 4

Minimum difference that can be detected between two stimuli

Question 5

Signal-Detection Theory

Answer 5

Method of distinguishing sensory stimuli that takes into account not only strengths but also mood

Question 6

Sensory adaption

Answer 6

The process by which we become more sensitive to weak stimuli and ignore constants

Question 7

Pupil

Answer 7

Opening of eye

Question 8

Lens

Answer 8

Adjusts the distance of objects by changing thickness

Question 9

Retina

Answer 9

Sensitive part of the eye where images are projected

Question 10

Photoreceptors

Answer 10

Neurons sensitive to light

Question 11

Visual acuity

Answer 11

Sharpness of vision

Question 12

Blind Spot

Answer 12

Area of the retina lacking photoreceptors

Question 13

Complementary

Answer 13

Colours across from each other on the colour wheel

Question 14

Afterimage

Answer 14

The color is complementary flash after the first is taken away

Question 15

Cochlea

Answer 15

Bony tube that contains fluids as well as well as neurons that move in response to vibrations

Question 16

Auditory Nerve

Answer 16

Movement generates neural impulses transmitted to the brain

Question 17

Conductive Deafness

Answer 17

Caused by damage to the middle ear

Question 18

Sensorineural Deafness

Answer 18

Caused by damage to the inner ear

Question 19

Olfactory Nerve

Answer 19

Sends information about odors to the brain

Question 20

Gate Theory

Answer 20

Suggests that only a certain amount of information can be processed by the nervous system

Question 21

Vestibular Senses

Answer 21

Tells you if you are up right

Question 22

Kinesthesis

Answer 22

Informs people of their body positions and motions

Question 23

Proximity

Answer 23

Viewing a certain way due to closeness

Question 24

Closure

Answer 24

Perceive a figure as complete even though it is not

Question 25

Similarity

Answer 25

Thinking similar things belong together

Question 26

Continuity

Answer 26

Preferring continuos patterns versus interrupted ones

Question 27

Common Fate

Answer 27

Thinking that things moving together belong together

Question 28

Stroboscopic Motion

Answer 28

The illusion of movement produced by showing the rapid progress of images

Question 29

Monocular Cues

Answer 29

Need only one eye to perceived

Question 30

Binocular Cues

Answer 30

Needs two eyes to perceive depth

Question 31

Retinal Disparity

Answer 31

The slight differences caused by viewing an object from two different angles