Ch 5: perceiving objects and scenes Flashcards
Viewpoint invariance
objects viewed at different angles must be recognized as the same object
structuralism
-theory of consciousness
-analyze elements of mental experiences and how they combine to form more complex experiences
phi phenomenon
perceptual illusion where succession of still images produces an apparent motion
Gestalt principles
-continuity
-pragnanz
-proximity
-common region
-uniform connectedness
-similarity
-closure
-contiguity
figure vs. ground
how we perceive objects to differentiate between the main object and the background
heuristics
simple strategy that we use to speed up finding solutions
Input channels
-acuity and orientation
-lines close together tend to be seem together
integral dimensions
dimensions that are not seen indenpendently
separable dimensions
dimensions that are seen independently
masking
visual stimulus used to mask the previous visual stimulus
persistence of vision
-visual stimulus continues for 250ms after the stimulus is extinguished
-effect can be eliminated
Gist perception
grasping the meaning of a scene at a single glance
unconscious interference
some of our perceptions are the result of assumptions we make about the environment that occur below the level of consciousness