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Perception Book Notes
Chapter 1
20
Psychology
Undergraduate 4
03/01/2011

Additional Psychology Flashcards

 


 

Cards

Term
Perceptual process
Definition
a sequence of processes that work together to determine our experience of and reaction to stimuli in the environment
Term
attended stimulus
Definition
stimuli that is the center of attention
Term
transductionn
Definition
the transformation of one form of energy into another
Term
processing
Definition
interactions between neurons
Term
perception
Definition
conscious sensory experience
Term
Recognition
Definition
The ability to place an object in a category that gives it meaning
Term
visual form agnosia
Definition
inability to recognize objects
Term
knowledge
Definition
any information the perceiver brings to a situation
Term
Bottom-up processing
Definition
processing based on incoming data
Term
top-down processing
Definition
processing based on knowledge
Term
As stimuli becomes more complex...
Definition
the role of top down processing increases
Term
psychophsyics
Definition
the use of quantitative methods to measure relationships between stimuli (physics) and perception (psycho).
Term
physiological approach
Definition
measuring relationships between stimuli and physiological processes
Term
Measuring perception
Definition
description, recognition, detection, perceiving magnitude, searching
Term
method of constant stimuli is...
Definition
the most accurate method of measuring perception
Term
Weber's Law
Definition
DL/S=K
K is a constant
S is the value for the standard stimulus
Term
response compression
Definition
as intensity increases, magnitude increases slower than intensity
Term
response expansion
Definition
as intensity increases, perceptual magnitude increases more than intensity
Term
Steven's Power Law
Definition
P=KS^N
K=constant
S=stimulus intensity
Term
Visual search
Definition
To find one stimulus among many as fast as possible
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