perception

Card Set Information

Author:
csantiago
ID:
135954
Filename:
perception
Updated:
2012-02-17 03:21:40
Tags:
psychology
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Description:
psy
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  1. threshold
    a point above which a stimulus is perceived and below which it isnt
  2. what doues threshold determine
    when we first become aware of a stimulus
  3. gustave fechner
    defines the absolute threshold as the smallest amount of stimulus (sound or light....) that can be observed or experienced
  4. absolute threshold
    the intensity leve of a stimulus such that a person will have a 50% chance of detecting it
  5. subliminal stimulus
    intensity that gives a person less than 50% chance of detecting the stimulus
  6. E.H.Weber
    worked on the problem of how we judge whether a atimulus,(ex:loud music) has an increase or decrease in intensity

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