Chapter 3- The Visual Perception System

Question 1

Reception

Answer 1

Photoreceptors in the retina detect and receive light

Question 2

Transduction

Answer 2

The retina contains millions of nerve cells that detect and respond to light. These are photoreceptors

They respond by changing th electromagnetic energy (light) to electrochemical energy

Question 3

Transmission

Answer 3

Sent to the brain via optic nerve

Question 4

Organisation

Answer 4

Assembling or arranging features of a visual image in a meaningful way

Question 5

Interpretation

Answer 5

Interpreting or assigning to the visual image as a whole

Question 6

Visual sensation

Answer 6

Our sense organs and receptors detect and respond to sensory information that stimulates them

Question 7

Visual perception

Answer 7

By which we give meaning to sensory information, resulting in our personal interpretation of that information

Question 8

What is the 5 sequential stages of Visual Perception

Answer 8

Reception
Transduction
Transmission 
Organisation
Interpretation

Question 9

Visual perception system

Answer 9

Eye
Nervous system
Optic nerve
Brain
Visual cortex

Question 10

Depth cues

Answer 10

Sources of information for our environment or from within our body that helps us:
Perceive how far away objects are
I’m receive depth

Question 11

Binocular depth cue

Answer 11

Use of both eyes
Convergence (cross eyed)
Retinal disparity ( close one eye and then the other eye)

Question 12

Monocular depth cue

Answer 12

One eye.
Accomodation -the automatic adjustment of the lens
Fat=close thin=far

Pictorial

Question 13

Pictorial cues

Answer 13

Linear perspective 
Interposition 
Texture gradient
Relative size
Height in visual field

Question 14

Linear perspective

Answer 14

Is the convergence of two parallel lines as they record into the distance

Question 15

Interposition

Answer 15

Partially blocking an object. It is perceived as being further away when it is being blocked

Question 16

Texture gradient

Answer 16

The texture of an object as the gradual reduction of detail recedes back into the distance

Question 17

Relative size

Answer 17

To perceive the object as being closer because the object is bigger. And vide versa. To perceive that an object is further away because the object is smaller

Question 18

Height in visual field

Answer 18

The tendency to perceive the object as being further away because it is closer to the horizon. And vice versa. To perceive the object as being closer because it is further away from the horizon

Question 19

Visual illusion

Answer 19

Misinterpretation of real sensory information.

Question 20

The muller lyre illusion

Answer 20

It is the illusion is two lines. They’re equal but one of perceived as being longer (feathered)
Arrow tailed

Question 21

Size constancy

Answer 21

Objects actual size remains the same

The image casts on the retina changes

Question 22

Shape constancy

Answer 22

An object maintains its shape

Changes in the shape of the imagine on the retina

Question 23

Brightness constancy

Answer 23

Maintaining the level of brightness into relation of its surroundings
Changes from the light that is reflected and casts into the retina

Question 24

Ambiguous/ irreversible stimuli

Answer 24

Visual stimuli that enables figure ground to be perceived as ‘legitimate’ alternative