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14 Cards in this Set
- Front
- Back
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perception |
process by which the brain organizes and interprets sensory input |
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sensation |
process by which our sensory receptors and nervous system receives and represents stimulus from our environment |
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bottom up processing |
analysis that begins with sensory receptors and works its way up to the brain |
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top down processing |
information processing guided by higher level processes, like when we perceive things based on our experiences |
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transduction |
the process of converting one form of energy into another that our brain can use. light energy processed into vision etc |
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psychophysics |
the study of the relationship between physical energy we detect and its effect on psychological experiences |
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absolute threshold |
minimum energy required to detect a stimulus 50% of the time |
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signal detection theory |
predicts how and when we detect the presence of a faint stimulus amid background noise |
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subliminal |
below the absolute threshold for conscious awareness |
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priming |
unconscious activation of certain associations. like when you hear "rabbit" and then hear the word "hair" but hear it as "hare" |
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difference threshold |
the "just noticeable difference" like how a musician can tune an instrument, or how font has to get bigger by a certain amount for you to notice it got bigger |
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weber's law |
something has to change by a certain amount before the average person notices |
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sensory adaptation |
constant exposure to a stimulus leads to decreased sensitivity. think of how you stop noticing a smell |
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perceptual set |
a mental predisposition to perceive one thing and not another. vase vs 2 people kissing |
