Exam 1 Flashcards
(263 cards)
Subjective vs Objective
Subjective - Internal interpretations
Objective - True external Stimuli as it were
Top down vs Bottom up
Top down - Using memory context to process external stimuli
Bottom up - Using external stimuli immediately
Illusions
A way to investigate the subjective nature of perception
Gestalt principles
Organizations of systems changes perceptions
Figure ground
Being able to identify shapes within shapes, chalice or faces
Continuity
Things that move in a line are perceived to be a continuation of each other even if they’re separate shapes
Inclusiveness
Shapes within shapes
Proximity
Percieve things as together when theyre close
Similarity
similar things are grouped
Closure
lines that make up a shape, even when theyre not making up the whole shape
Illusory Contours
Perceived edges made up of shapes
Lateral inhibition
Activation of Photoreceptive fields in illusions, fake gray dots
Photoreceptive field
Area where photoreceptors get their stimuli
Direct Perception
Gibsonian Approach, more bottom up processing than Gestalt
Perceptual array
All of your senses add to your perception
Optic Flow
Ability to detect apparent motion
Invariant
Structure in the array of perceptual information that specifies state of the world
Expansion of the optic array
Eyes get wider as things approach
Occlusion
Depth cue when an object blocks another, we understand its still there
Size constancy
Relative size comparison
Affordance
Relationship of the self to the environment that enables action
Visual Cliff
Baby fall teehee
Pattern recognition
Plays into a more Top-Down approach to perception, needed to make sense of the world, schema
Template theory
We make sense of the world through past experiences with those specific objects; we see one chair and only know that as “a chair”, not the concept of it