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Chapter5 - Chapter 5 only need to know about vision What's...

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Chapter 5 only need to know about vision
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What’s it For? Building the World of Experience Translating the Message Identifying the Message Components Producing a Stable Interpretation
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In the begining Sensation a process by which our sensory receptors and nervous system receive and represent stimulus energy Perception a process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events Cells which we call RECEPTORS --- We live 10-15 nanoseconds in the past.
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Vision Vision is the most important sensory system we have. We use vision more than anyother single sense. The light we are able to see is only a very narrow part of the whole range of electromagnetic energy Vision=most important sense
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Translating the Message Visible light = One part of the spectrum of all electromagnetic energy Three main properties: Wavelength Intensity Purity Enters the eye through the cornea, pupil, and lens --- If a psychologist says someone in ur group will get a prize, they WILL get a prize. If they use it as deception, they would immediately get screwed. EVERYTHING emits light. If it didn’t emit light, we wouldn’t see it
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Transduction of Light Light strikes the retina, where light-sensitive cells react to light by creating neural impulses Rods: Sensitive to low light Cones: Sensitive to fine detail, color Concentrated in the fovea
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