Biopsychology - 4/22
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This 1 page Reader was uploaded by Sierra Wollen on Tuesday April 22, 2014. The Reader belongs to a course at University of Washington taught by a professor in Fall. Since its upload, it has received 110 views.
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Date Created: 04/22/14
Psych 202 422 Sensation and Perception Outline Perception sensation Transduction Crossed senses synesthesia Drugs Sensation perception Transduction Multiple senses Physical harmdependency The Lancet 369 10471053 2007 Most dangerous by dependence and harm to self and society 1 Heroine Cocaine Tobacco Alcohol Benzodiazepines Amphetamine Cannabis EcstasyLSD V 39gtquot quot Sensation Detection of our environment by our bodies and brains Perception subjective experience of our environment Transduction translation of extemal stimulus into neural signal o Touch mechanical pressure 0 Taste amp smell chemical molecules o Sound vibrations of air molecules o Sight photons Specialized receptors 0 Rodscones I Proteins on membranes that respond to light o Touch receptors I Push on membrane membrane stretches and opens channels pulls sodium ions in 0 Hair cells I Tum mechanical signal into neural signal Thalamus routes sensory info to sensory cortex not smell How sensory systems keep info separate o Labeled lines o McGurk effect o Synesthesia I Permanent crossperception of more than one sense
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