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Hearing and Vision

Hearing and Vision. Transduction is process by which one form of energy is changed into another form (example – sound wave / light wave into neural impulse). Hearing.

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Hearing and Vision

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  1. Hearing and Vision Transduction is process by which one form of energy is changed into another form (example – sound wave / light wave into neural impulse)

  2. Hearing Place Theory – explains high pitched sounds due to PLACE on basilar membrane (inside cochlea) that is triggered by high frequency sound wave Frequency Theory – explains lower pitched sounds due to vibration of entire basilar membrane

  3. Vision Trichromatic Theory – theory that explains COLOR vision – retina has 3 types of cones, sensitive to red, blue, and green light – all other colors are combinations of those Opponent Process Theory – explains afterimages – same cell can be give “either/or” messages – if you exhaust red cone – see green, blue – yellow, black – white Ex. Big Spanish Castle http://www.johnsadowski.com/big_spanish_castle.php

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