Essay Questions Flashcards
global image features
degree of openness degree of color degree of roughness degree of naturalness degree of expansion
types of motion
real illusory apparent induced aftereffects
actual motion of an object
real motion
perception of motion when there is none
illusory motion
two stimuli in slightly different locations are presented rapidly, one after another by a brief time interval
apparent motion
illusory movement of of one object that is caused by the movement of another object that is nearby
induced motion
an illusion that occurs after a person views a moving stimulus and then sees movement in the opposite direction when viewing a stationary stimulus immediately after
motion aftereffects
Gestalt approach to perceptual grouping
structuralism
apparent movement
illusory contours
structuralism
distinguish between sensations and perceptions
perceptions can’t be explained by adding up small sensations
apparent movement
movement is perceived but nothing is actually moving
1) image flashes on/off
2) period of darkness for a second
3) second image flashes on/off
illusory contours
contour that is perceived even though it is not present in the physical stimulus
Gestalt principles
good continuation pragnanz similarity proximity common fate common region uniform connectedness
points that when connected result in straight or curving lines are seen as belonging together
good continuation
every stimulus pattern is seen in a way that the resulting structure is as simple as possible
pragnanz
similar things appear to be grouped together
similarity
