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PSYC*1000 Psychology in Modules - Module 17 Summary Notes

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University of Guelph
PSYC 1000
Benjamin Giguere

Module 17Basic Principals of Sensation and PerceptionOctober 14 2013Sensation the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment Perception the process of organizing and interpreting sensory information enabling us to recognize meaningful objects and eventsIn everyday experiences sensation and perception blend into one continuous processBottom up processing starts at the sensory receptors and works up to higher levels of processingTop down processing constructs perceptions from the sensory input by drawing on our experience and expectations As our brains absorb information bottom up processing enables our sensory system to detect the lines angles and colours that form the image and we then interpret what our senses detect using top down processing Transduction Conversion of one form of energy into another in sensation it is the transforming of stimulus energies such as sights sounds and smells into neural impulses our brain can interpretreceive sensory stimulation often using specialized cellstransform that stimulation into neural impulsesdeliver the neural information to our brain The above are the three steps to consider whenever we are
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