Portfolio Lesson-2

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Portfolio Lesson 2 : Sensation vs . Perception

In general , sensation refers to how individuals detect physical energy or stimuli from the environment (which is external ) and encode them as neural signals . In short , sensation is analysis that originates with the sense receptors or receivers and works up to the central nervous system 's integration of information . Perception , on the other hand refers to how individuals select , organize , and construct information (interpreted stimuli . In short , perception is the processing of information , guided by higher degree mental

processes . When an individual constructs perception , he /she is generally drawing on `derived ' experiences and expectations

According to psychologists , perception is a supra-active process Individuals tend to impose organization upon seemingly meaningless stimuli that sensory receptors receive from the environment . A classic example of the sensation-perception dichotomy is as follows : suppose that you are writing your name on a piece of paper while looking in a mirror . Sensation would comprise sensory stimuli derived from looking in the mirror . Judging that such stimuli are , as of the moment insignificant , you struggle to impose some organization upon meaningless stimuli . In this case , you should know that your primary task is to properly write your name on a piece of paper . The act of looking in the mirror is a decoy to the act of writing your name in a piece of paper Another classic example would be : tasting two different foods without smelling them . In an ordinary setting , smelling `adds ' flavor to the...