What is the input source of vision? What are the two types of photoreceptors? What are the steps of visual processing?

Name: Psy 294 Exam 2 Review
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Exam 2 Review 1. What is the input source for vision? - Light 2. What are two types of photoreceptors? - Cones - Rods 3. What is the function of these photoreceptors? - Color perception – cones ; blue, green, red - Amount of light (day vs night) – o Cones are less sensitive to light – daylight active o Rods are more sensitive to light – night active - Acuity – how clear image is ; phobia has highest acuity (just cones) 4. Explain the retina - Light comes in, bounces back off the retina to back of eye where photoreceptors (rods and cones) are and where phototransduction occurs - Phototransduction – taking of light energy and transforming it to