General Psychology_Doran_Date__031010

General Psychology_Doran_Date__031010 - Sensation &...

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Sensation : the stimulation of sense organs Perception : the selection, organization and interpretation of the sensory input sight- light waves hearing- sound waves touch- skin pressure taste- molecules dissolved on tongue smell – molecules dissolved in the nose in a sense our perceptions can be different then what actually exists out there in the real world perception is constructed from what we sense Psychophysics: The study of how physical stimuli are translated into psychological experiences tried to formulate laws to see how we might perceive a stimulus bridges are the gap between the physical world and the psychological world sensation starts with a stimulus but we don’t always detect everything that is going on threshold : a dividing point between energy levels that do and do not have detectable effects absolute threshold : the minimum amount of stimulation that an organism can detect as stimulus increases, probability of detection increases; the absolute threshold is the point where the stimuli can be detected accurately 50% of the time Some examples of absolute thresholds: a candle flame at 30 miles on a dark clear night
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General Psychology_Doran_Date__031010 - Sensation &...

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