PSY 220 Exam III Questions and Answers | 2026 Update | 100% Correct. Wavelength - The length of light waves; determines perceived color (short = blue/violet, medium = green, long = red) Phototransduction - The process by which light is converted into
PSY 220 Exam III Questions and Answers | 2026 Update | 100% Correct. Wavelength - The length of light waves; determines perceived color (short = blue/violet, medium = green, long = red) Phototransduction - The process by which light is converted into neural signals; light activates photopigments in rods and cones, causing a chemical change that leads to hyperpolarization and signaling to bipolar and ganglion cells Hyperpolarization (photoreceptors) - When light hits rods/cones, they become more negative (less active), which is opposite of most sensory systems Rods - Photoreceptors responsible for black-and-white vision, highly sensitive to low light, used for nig
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psy 220 exam iii questions and answers 2026 upda