Ch. 3 Part 1 - Chapter3 Getting a Sense of Your Senses Part...

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Chapter 3 Getting a Sense of Your Senses Part I: Vision
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Making Sense of Sensation Your text: The process through which sense organs transduce environmental energies into neural impulses Rich: A biological mechanism for meaningfully conveying properties of the environment in the language of the brain.
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S & P There is a “gray area” between sensation and perception. As a rule of thumb: Sensation has to do with creating the neural signals and sending them to the brain. Perception refers to how the brain makes sense (i.e. interprets) those signals.
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Sensory System Data Processing 1. Transduction 1. Coding
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Transduction-duction, What’s Your Function? Transduction is the process of translating incoming environmental energy into neural signals . “Speaking the language” of the brain TRANSDUCTION TRANSDUCTION
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Coding: The Matrix of the Mind Representing stimulus properties by action potential frequency and pattern. For example, intensity is often encoded by action potential frequency.
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It All Began With a 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 person will ultimately report perceiving.
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