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Chapter5Audition - Sensation and Perception In this part of...

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Sensation and Perception In this part of the course we will try to answer such questions as: How do we see and hear? Why does a TV only need three phosphors ( Red , Green and Blue ) to allow us to see all colors? Why are some sounds easier to hear than others?
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Sensation Sensation - the registration of physical stimuli Hearing - anatomy and function of the ear Vision - anatomy and function of the eye Psychophysics - the measurement of sensory experiences
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Sensation What is the purpose of sensory processing? To transform physical stimuli in the environment into neural signals in the brain Example (Hearing): Sound waves are transformed into vibrations in the ear, and the strength of those vibrations are coded by sensory neurons
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Three Domains of Sensory Research Sensory Physiology Physiological Psychology Psychophysics Sensory experience Physical stimulus Domain of Sensory physiology Domain of sensory psychophysics Domain of sensory physiological psychology Physiological response
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Hearing: Sound Waves Auditory perception occurs when sound waves interact with the structures of the ear. Sound Wave - changes over time in the pressure of an elastic medium (for example, air or water).
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