Exam 1

Question 1

Sensation

Answer 1

measurement of aspect of the environment

Question 2

Perception

Answer 2

representation based on sensation

Question 3

Stimulus

Answer 3

thing or event that evokes a reaction

Question 4

Distal Stimulus

Answer 4

thing or event actually exists

Question 5

Proximal Stimulus

Answer 5

closeness or proximity

Question 6

Veridical

Answer 6

coinciding with reality

Question 7

bottom up

Answer 7

info from senses

Question 8

top down

Answer 8

info from memory and experience

Question 9

Synapses

Answer 9

formed between axon terminals of one neuron and dendrites of other

Question 10

Neurotransmitters

Answer 10

carry signals between neurons

Question 11

Ions

Answer 11

carry electrical signals within neurons

Question 12

Diffusion

Answer 12

molecules distributing themselves equally

Question 13

Electrostatic Pressure

Answer 13

opposite charges attract while like charges repel

Question 14

Action Potential

Answer 14

large electrical spike triggering neurotransmitter release

Question 15

Light

Answer 15

has wavelength and frequency

Question 16

Photon

Answer 16

particle of light

Question 17

Sclera

Answer 17

white of eyes holding its shape

Question 18

Choroid

Answer 18

provides nourishment to retina

Question 19

Retina

Answer 19

detects light and passes info to brain through optic nerve

Question 20

Anterior

Answer 20

between cornea and iris

Question 21

Posterior

Answer 21

between iris and lens

Question 22

Vitreous

Answer 22

main interior of eye

Question 23

Anterior Chamber

Answer 23

produces aqueous humor

Question 24

Cornea

Answer 24

front of eye

Question 25

Iris

Answer 25

colored part of eye

Question 26

Pupil

Answer 26

gap in Iris allowing light to pass

Question 27

Photoreceptors

Answer 27

sensory receptors detecting light

Question 28

Fovea

Answer 28

central region of retina

Question 29

Macula

Answer 29

larger region surrounding fovea

Question 30

Rods

Answer 30

respond to faint light

Question 31

Cones

Answer 31

respond to bright light and used for color vision

Question 32

Photopigments

Answer 32

chemicals in rods and cones

Question 33

Acuity

Answer 33

precision of vision

Question 34

Cortical Collumns

Answer 34

composed of cells across layers

Question 35

Ocular Dominance

Answer 35

cells in V1 showing preference

Question 36

V2 Cortex stripe types

Answer 36

thick: motion info thin: color info pale: shape info

Question 37

Ventral Pathway V4

Answer 37

color perception

Question 38

Occlusion

Answer 38

objects overlapping

Question 39

Gestalt Psychology

Answer 39

principles of perceptual grouping

Question 40

Perceptual Inference

Answer 40

most probable distal stimulus for proximal stimulus

Question 41

Invariance

Answer 41

changing stimulus doesn't change visual system response

Question 42

Biederman's geons

Answer 42

all objects represented by 36 shapes

Question 43

Lateral Occipital Cortex

Answer 43

respond to intact objects

Question 44

Fusiform Face Area

Answer 44

respond to faces

Question 45

Parahippocampal Place Area

Answer 45

respond to places

Question 46

Visual Agnosia

Answer 46

inability to recognize objects

Question 47

Prosopognosia

Answer 47

inability to recognize faces

Question 48

Heterochromatic

Answer 48

composed of different wavelengths

Question 49

Monochromatic

Answer 49

composed of single wavelength

Question 50

Achromatic

Answer 50

having no color

Question 51

Metamers

Answer 51

two different stimuli perceived as identical

Question 52

Bleaching

Answer 52

photopigment taking time to absorb new photon

Question 53

Monochromacy

Answer 53

can't distinguish between colors

Question 54

Rod Monochromacy

Answer 54

no cones

Question 55

Cone Monochromacy

Answer 55

one type of cone present

Question 56

Protanopia

Answer 56

confuse red and green, red cones filled with green opsin

Question 57

Deuteranopia

Answer 57

confuse red and green, green cones filled with red opsin

Question 58

Tritanopia

Answer 58

retina lacks blue cones, sees reds and greens only