Perception Flashcards
Whose was the 1970 theory of processing, Top Down Processing?
Gregory
Who believed that perceptions could be seen as modifiable constructs?
Helmholtz
What three important components did Gibson identify after studying perception in pilots?
- Optic flow pattern
- Invariant features
- Affordances
What are texture and linear perspective two examples of?
Invariants in perception
How does texture gradient affect perception?
It gives the appearance of depth
What was Gibson’s 1966 theory of processing?
Bottom Up Processing
What are the environmental cues that aid perception?
- Optical array
- Relative brightness (brighter, clearer = closer)
- Texture
- Relative size (smaller = distant)
- Superimposition (one object blocks another = visible object closer)
- Height in the visual field (higher in the visual field = further away)
What are the 6 types of motivational-emotional influence on perception?
- Bodily needs
- Reward and punishment
- Emotional connotation
- Individual values
- Personality
- The value of objects
What were the four types of illusions that Gregory identified?
- Distortions (e.g. Ponzo illusion)
- Ambiguous figures (e.g. Necker cube)
- Paradoxical figures (e.g. Penrose trident)
- Fictions (e.g. Kanizsa triangle)
What is Kahneman’s capacity theory regarding attention?
When someone is aroused and alert, they have more attentional resources available than when they are lethargic
