Physiology of vision - which leads to action potential 1)...

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Physiology of vision 1. Convert image from retina to brain a. rods- sensitive to little light, night vision, not sensitive to color, share common nerve fibers to brain. b. cones- not share routes to brain, images sharper, sensitive to color 1) contain retinene but a different protein 2) red, green, blue 3) activation the same c. rods and cones use light sensitive pigments, these pigments break apart when they absorb light,
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Unformatted text preview: which leads to action potential 1) rods pigment called rhodopsin (purple) (protein and retinene synthesized from vit 2) rhodopsin molecules break apart activate enzyme triggers series of reactions, reactions change permeability of rod cell membrane leads to n. impulse (ganglion cells)...
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