PSYC201 - Lab 6

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Across
  1. 4. The clear outer surface of the eye. The first thing light passes through
  2. 7. Focuses incoming light onto the retina and flips the image upside-down
  3. 11. The light-sensitive pigment protein found inside rod cells
  4. 12. What a rod cell does when light hits it — it goes quiet instead of firing
  5. 13. The colored ring in the eye that controls how much light enters through the pupil
  6. 14. Type of retinal cell whose axons bundle together to form the optic nerve
Down
  1. 1. The G-protein activated by rhodopsin during phototransduction
  2. 2. Photoreceptors concentrated in the fovea that detect color in bright light
  3. 3. The small central pit in the retina with the highest visual acuity
  4. 5. The sharpness or clarity of vision; highest at the fovea
  5. 6. The blank nerve carries visual signals from the retina to the brain
  6. 8. Molecule that keeps sodium channels open in the dark; broken down when light hits
  7. 9. Photoreceptors that work in dim light — about 90 million per eye, absent in the fovea
  8. 10. The dark opening in the iris that allows light to enter the eye
  9. 11. The light-sensitive layer at the back of the eye containing rods and cones