Unit 3 Topic 4 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is the process of visual perception?

A

Reception – stimulus info collected by eye
Transduction – stimulus energy converted by receptor cells into electrochemical nerve impulses
Transmission – receptor cells send nerve impulses into primary sensory cortex where specialised receptor cells start process of perception
Selection – picking out important stimuli
Organisation – information reaches brain and is organised to make sense.
Interpretation – past experiences, motives, values and context give stimulus meaning.

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

What are three biological influences on visual perception? (Provide details on each)

A

Physiological makeup - damage can lead to visual impairments

Ageing - disorders include prebyopia, floaters, cataracts, glaucoma, macular degeneration (age related)

Genetics - inherited and congenital (present at birth)

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

What are four psychological influences on visual perception? (Provide details on each)

A

Perceptual Set - (Past experiences, context, motivation, emotion)

Perceptual Constancies - (size constancy, shape constancy) stable perception of stimulus

Gestalt Principles - (Figure-ground organisation, camouflage, closure, similarity, proximity)

Depth Perception - binocular cues (both eyes), monocular cues (one eye or both eyes)

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

What are the five pictorial depth cues?

A

Texture Gradient
Height in Visual Field
Relative Size
Interposition
Linear Perspective

THRIL

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

What was the purpose of the Hudson (1960) experiment and what were the results?

A
  • Investigate individual differences in perception of 2D and 3D images in Caucasian and African cultures.
  • Participants – School (3 Caucasian, 3 African Groups) Not School (1 Caucasian, 4 African Groups)
  • Results – in school group, Caucasian had higher rate of perceiving 3D images than African, in non school group both groups were similar.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What were the findings of Deregowski (1972)

A

3D depth perception is learnt through education.

African participants without traditional schooling struggled while those with traditional learning were able to perceive 3D images.

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

What were the findings of Deregowski, Muldrow and Muldrow

A

Participants were able to recognise depicted animals (differences were due to lowland groups familiarity with animals)

Perception is mostly based on past experience or familiarity with object, animal or person – skill that can be learnt with effort.

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