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14 Cards in this Set
- Front
- Back
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Sensation
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the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment
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perception
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the process of organizing and interpreting sensory information enabling us to recognize meaningful objects and events
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bottom up processing
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basic processing that starts at our sensory receptors
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top down processing
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processing that happens when we experience something that we have before, it allows us to know what's going on based off what happened before
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transduction
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the convergence of one energy form into another.
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psychophysics
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the study of all the physical energy we can detect and its effects on our psychological experiences
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absolute threshold
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the minimum amount of stimulation that is needed to detect a particular stimulus about 50 percent of the time
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signal detection theory
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a theory that is used to predict when we will be able to predict weak signals it assumes that there is no absolute threshold and that detection depends on a person's experience, expectations, motivation and alertness
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subliminal
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something that happens below our conscious awareness
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priming
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something that unconsciously affects how we react or act with something that happens later on.
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difference threshold
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the minimum difference between two stimuli required for detection 50 percent of the time, also known as just noticeable difference
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webers law
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the principle hat, to be perceived as different two stimuli must differ by a given percentage, not a given amount.
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Sensory Adaptation
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the diminished sensitivity to a certain stimuli because you have had repeated stimulation by it
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perceptual set
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a mental disposition to perceive one thing and not the other.
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