Ch. 3 Sensation Perception

Ch 3 Sensation - Sensation A biological mechanism for meaningfully conveying properties of the environment in the language of the brain(Richs

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Sensation A biological mechanism for meaningfully conveying properties of the environment in the language of the brain (Rich’s term) ***GET BOOK DEFINITION*** There is a “gray area” btw sensation and perception As a rule of thumb: o Sensation has to do with creating the neural signals and sending them to the brain. o Perception refers to how the brain makes sense (i.e. interprets) those signals Sensory system data processing Transduction o Transduction is the process of translating incoming environmental energy into neural signals o “Speaking the language” of the brain Coding o Representing stimulus properties by action potential frequency and pattern o Ex: Intensity is often encoded by action potential frequency Photon… “Packets” of light Waves Particles Photons give rise to electromagnetic radiation of all wavelengths
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Physics and Perception The wavelength of a electromagnetic wave is the main determinant of which “color” the
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This note was uploaded on 03/22/2010 for the course PSYC 1101 taught by Professor Crystal during the Spring '08 term at University of Georgia Athens.

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Ch 3 Sensation - Sensation A biological mechanism for meaningfully conveying properties of the environment in the language of the brain(Richs

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