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Ch 3 Psy Review

Ch 3 Review Random Notes

QuestionAnswer
Just Noticable Differences (JND) Smallest difference between 2 stimuli, detectable 50% of time, also known as difference threshold
Absolute Threshold Smallest amount of energy needed for a person to consciously detect a stimulus 50% of the time
Brightness Amplitude of wave, how high or low
Color Length of wave
Saturation Purity of color
Sensory Conflict Theory Motion sickness
Figure Ground BACKGROUNDS
Proximity Perceiving objects close to one another as part of the same group
Similarity Perceiving objects that look similar as being part of a group
Closure Incomplete, dashes/lines looking like circle
Continuity Seeing things in simple pattern rather than complex
Contiguity Perceive two things that happen close together in time as being related
Linear Perspective Two lines will merge together in distance
Relative Size Expecting an object when smaller to be further away
Overlap Object blocking another
Aerial Perspective Further away object is, it will be hazier (Fussy)
Texture Gradient For textured objects to get smaller with distance
Motion Parallax Closer objects move quicker than further objects move slower (think car ride)
Accomodation Eye lens changes shape or thickness in response to objects near or far away
Convergence Hold finger in front of nose bring closer and then farther away, what your eyes do is convergence
Created by: ANursingStudent
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