Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Pysch 1XX3 > Vision > Flashcards

Vision Flashcards

1
Q

Accommodation

A

The process through which the lens is adjusted by contracting/relaxing the muscles around the lens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Aerial perspective

A

A pictorial depth cue caused by the visual effect of light when passing through the atmosphere that causes distant objects to appear hazy/blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Brightness / Amplitude

A

The height of the wave; describes the level of energy present

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Centre-surround antagonism

A

The centre and surround produce opposite responses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Complex cells

A

Cells located in the visual cortex that respond to the orientation of a bar of light as well as the direction of its movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Compound eye

A

Consists of many tiny light capturing elements known as ommatidia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Convergence

A

Depth cues provided by feedback from the extra ocular muscles in the eye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Cornea

A

Transparent layer at the front of the eye that allows light to pass into the eye; responsible for 80% of eyes focusing power

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Dorsal pathway

A

The “where pathway”, information processed along the parietal lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Electromagnetic spectrum

A

The range of wavelengths over which electromagnetic radiation extends

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Fovea

A

Section of the retina where most cones are present and visual acuity is highest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Ganglion cell

A

Type of cell in the retina, receives input from the rods/cones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Hue / wavelength

A

The distance between the crests of the wave, generally refers to what most people mean by colour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Hypercomplex cells

A

Cells in the visual cortex that have all the features of a complex cell but are also sensitive to the length of the bar of light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Hyperopia

A

Farsightedness; able to see things far way but not close

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Interposition

A

A pictorial depth cue where one object overlaps and thereby occludes another object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Iris

A

Donut-Shaped ring that controls the diameter of the pupil, gives the eye colour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Lateral geniculate nucleus (LGN)

A

Located at the end of the optic track on both sides of the brain, acts as the primary relay station for visual information

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Lens

A

Curved and flexible structure in the eye that is responsible for about 20% of the eye’s focusing power

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Linear perspective

A

Pictorial depth cue where parallel lines will appear to converge on a single vanishing point in the horizon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Magnocellular

A

Cells in layers 1 and 2 of the LGN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Motion parallax

A

Cue to depth based on the apparent speed of near and far object while you are in motion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Muller-Lyer illusion

A

Where two identical lines are made to look like they are different lengths by the placement of arrows on the line ends

24
Q

Myopia

A

Nearsightedness; able to see up close but not far away

25
Q

Nasal

A

Area of the retina closest to the nose

26
Q

Necker cube

A

A line drawing of a transparent cube that has an ambiguous perception with regards to its 3D shape

27
Q

Ocular dominance columns

A

Stripes of neurons in the visual cortex that respond preferentially to input from the right or left eye

28
Q

Ommatidia

A

Light capturing element of a compound eye

29
Q

Optic chiasm

A

Point in the brain where the optic nerve from the nasal part of the retina crosses

30
Q

Optic disk / blind spot

A

Point of entry on the retina for the optic nerve, contains no photoreceptors

31
Q

Optic flow

A

The perceived motion of the visual field that results from an individuals own movement through the environment

32
Q

Optic nerve

A

Retinal ganglion axons exit through the optic nerve, pathway before the optic chiasm

33
Q

Optic tract

A

Pathway after the optic chiasm

34
Q

Orientation columns

A

Stripes of neurons in the visual cortex that respond preferentially to stimuli of a specific angle

35
Q

Parvocellular

A

Cells located on layers 3-6 of the LGN

36
Q

Perception

A

The ability to become aware of something through our senses

37
Q

Photoreceptor

A

Cell that responds to light; rods/cones

38
Q

Pinwheels

A

Areas of the visual cortex that do not have an orientation preference, but show a preference for other features such as brightness/colour

39
Q

Preferential looking paradigm

A

Method used to determine grating acuity in infants

40
Q

Primary visual cortex

A

First part of the cerebral cortex that is responsible for processing visual information

41
Q

Receptive field

A

Area where a stimulus elicits a response

42
Q

Rhodopsin

A

Light sensitive pigment in the retina

43
Q

Saturation

A

Purity of hue

44
Q

Sclera

A

The white of the eye, continuous with the cornea

45
Q

Sensation

A

The transformation of physical characteristics of the world into electrical signals in our NS

46
Q

Shading

A

Pictorial depth cue that can help to indicate the direction of light; which typically comes from ABOVE

47
Q

Simple cells

A

Cells located in the visual cortex that respond to the orientation of bars of light

48
Q

Simple eye

A

Eye with a single lens

49
Q

Stereopsis

A

Perception of depth through the use of binocular disparity

50
Q

Stereoscope

A

Device that creates the illusion of depth from two photographs taken of the same thing from different angles

51
Q

Temporal

A

Area of the retina closest to the temples

52
Q

Transduction

A

The transmission of electrical signals down the optic nerve

53
Q

Ventral pathway

A

The “what pathway”, information processed along the temporal lobe

54
Q

Ventriloquism

A

The production of sound so that it seems to be coming from a source other than the speaker

55
Q

Visual capture

A

The dominance of vision over other sensory modalities

56
Q

Visual spectrum

A

The range of electromagnetic spectrum that can be seen by humans

Pysch 1XX3 (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions