Brainscape's Knowledge GenomeTM

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


See full index

PS1102 Sensation Perception and Cognition > The Eye > Flashcards

The Eye Flashcards

1
Q

Type of radiation light is

A

Electromagnetic

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

Photon

A

Particle of light

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

Speed of light

A

299,792,458 m/s

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

Wavelength

A

Difference between peaks

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

Frequency

A

Number of waves that passs a given point per second of time

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

Wavelength of colours from red to purple

A

Gets longer

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

Frequency of colours from red to purple

A

Gets more frequent

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

Structure of the eye

A

Cornea, sclera, pupil, iris, lens, retina, fovea, optic nerve

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

Cornea

A

Transparent outer coating of the eye
Principal means of focus

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

Sclera

A

White opaque outer coating of eye

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

Pupil

A

Circular hole in the centre of the iris, through which light enters

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

Iris

A

Visible through the cornea of the eye

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

Lens

A

Focuses an image on the retina by accommodation
Changes shape to adjust the eye’s focus for stimuli located at different distances

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

Retina

A

Array of photoreceptors and neural circuitry that covers back surface of the eye

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

Phototransduction

A

Transformation of photons into electrochemical energy
Done by the retina

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

Fovea

A

Where the image falls in the eye

17
Q

Optic nerve

A

Bundle of nerve fibres that carry nerve impulses from the retina to the brain

18
Q

Chambers of the eye

A

Arterior, posterior, vitreous

19
Q

Location of arterior chamber

A

Between cornea and iris

20
Q

Location of posterior chamber

A

Between iris and lens

21
Q

Location of vitreous chamber

A

Behind the lens

22
Q

Pathway to the optic nerve

A

Light > cornea > pupil > lens > retina > optic nerve

23
Q

Types of photoreceptor cells

A

Rods and cones

24
Q

Function of rod cells

A

Vision at low light levels
Sensitivity to darkness

25
Q

Function of cone cells

A

Vision in bright light
Colour and fine details

26
Q

Numbers of rod cells in the eye

A

120 million

27
Q

Numbers of cone cells in the eye

A

6 million

28
Q

Location of rod cells

A

Peripheral retina

29
Q

Location of cone cells

A

Peripheral retina and fovea

30
Q

Blind spot

A

No photoreceptors
Peripheral vision falls on it and isn’t noticed

31
Q

Location of blind spot

A

Retina, where the optic nerve leads to the brain

PS1102 Sensation Perception and Cognition (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions