Ch04-Sens&Perc - for distribution

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Unformatted text preview: 1 Psych101-S&M: Sensation & Perception (Chapter 4) Larry W. Hawk, Ph.D. University at Buffalo Sensation & Perception I. Vision II. The nonvisual senses III. The interpretation of sensory information Sensation and Sensation and Perception Perception PSY 101 PSY 101 Mariana Coutinho Mariana Coutinho 2 Visual Sensation Visual Sensation How does How does light light , an electromagnetic energy, change , an electromagnetic energy, change into neural energy? into neural energy? Light Light The visible light that humans see occupies only a The visible light that humans see occupies only a small portion of the spectrum small portion of the spectrum . We can see only infrared rays. It varies from 400 nm We can see only infrared rays. It varies from 400 nm (violet) to 700 nm (red). (violet) to 700 nm (red). Emit Light vs. Reflect Light Emit Light vs. Reflect Light 3 Visual System Visual System How does light enter the eye? How does light enter the eye?...
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This note was uploaded on 06/10/2011 for the course PSYCH 101 taught by Professor Larryhawk during the Spring '11 term at SUNY Buffalo.

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Ch04-Sens&Perc - for distribution - 1...

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