September 13 Chapter 6 Sensations and Perceptions

September 13 Chapter 6 Sensations and Perceptions -...

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September 13, 2005 Chapter 6: Sensations and Perceptions Last time we talked about thresholds, vision and taste Perception Largely influenced by experience or learning Case: Rodney King was beaten and people saw different things Distal stimulus is the exterior object that reflects energy off it Proximal stimulus is when the energy is perceived and becomes part of the body Nativists , such as Descartes , believe you are born with it or you will not get it Empiricists , such as Helmholtz , believe perception is learned through experience The necker cube is used to test perception Is perception modifiable? Visual perception was initially done on birds Does perception change with experience? Experiment: The pecking of newborn birds at a kernel of corn. Initially the birds would miss the kernel until they learned where to peck. Conclusion: The birds learned over time where to peck Experiment: Masks were put over the birds that offset the kernel by 7 degrees. The conclusion was reliable, but birds were no longer accurate. Frogs
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This note was uploaded on 03/18/2008 for the course PSYC 2004 taught by Professor Dmharris during the Fall '06 term at Virginia Tech.

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September 13 Chapter 6 Sensations and Perceptions -...

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