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| what you feel(Input)thats transmited to the CNS; biological process |
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| what your brain interprets that you are feeling organizing and interpreting (output) psychological process |
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| the absolute minimum ammount of sensory stimulation that can be detected 50% of the time |
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| min. increase/decrease in stimulation required to produce difference in sensaton |
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| just noticeable diff. is a proprtion of the intensity by which a stimulus must be increased/decreased for the diff in intensity to be noticed |
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| process where snesory stim. is converted to neural impulses or brain language |
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sensory receptors become accustomed to constant sensation
ex. Smokers cant smell the smoke on their clothes etc. |
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black and white
good in dim lighting |
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percieves color and fine detail
best in bright light |
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similar,proximal,close,continual objects are put together in perception
ex. if we see a bunch of men in the same uniforms we see a team. |
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objects moving away from us get smaller even though they dont really change in size
ex. a car driving away looks smaller even thought its not really |
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real: things are actually moving on your retina
ex.you have a point of reference and things do really move
apparent:psychological construction something
ex. a point of light in a dark room appears to move but really you just dont have a point of reference. |
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paralell lines are the same distance apart however they appear to get closer
ex. train tracks |
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| ex. in apparent motion dark room with a light point it looks like its moving but its just that you dont have a point of reference |
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| animation, picture flipped rapidly appear to move but they arent really |
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| when neon lights are appearing to move |
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convergence- cross-eyed objects are just really close
disparity- camera one camera two |
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| perceptions ability to be changed by expectation, emotion and or mind set |
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| are false perceptions its actually a change to the env't |
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| ex. you have the picture now you have to put the puzzle together |
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| you dont have the picture so you have to put the pieces together to get the big picture |
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