Rearrange the following statements to create the correct path light takes from entering the eye to the point of the optic nerve. Light passes through the cornea The iris regulates the amount of light entering the eye The lens refracts light to focus the image The image reaches the retina Two photoreceptors, the rods and cones, detect the light Visual signals then travel to the bipolar cells and then go to ganglion cells The signal is then triggered on the optic nerve
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Drag each label to the correct location on this diagram showing a cross section of the retina. Cells of the choroid layer These are the only cells in the diagram that generate action potentials. Information from the rods and cones is modified by these cells before it reaches the ganglion cells. In these cells, photons of light entering the eye are converted into changes in ion flow. Optic nerve fibers Interior of eye Reset
Lainey R.
Trace the path of a light photon to the photoreceptor cells and then trace the nerve impulse to the primary visual cortex. 1. Cornea 2. Pupil 3. 4. Lens 5. 6. 7. Bipolar cells 8. Ganglion cells 9. 10. 11. Optic tract 12. 13. 14. Primary visual cortex
Adi S.
QUESTION 4 What is the correct ORDER of sensory information flow in the visual system? Photoreceptors -> retinal ganglion cells -> interneurons Optic tract -> optic chiasm -> optic nerve Lateral geniculate nucleus -> optic radiations -> V1 V1 -> V4 -> posterior parietal cortex QUESTION 5 Which condition would elicit the greatest firing rate of an OFF-CENTER RGC? Both center and surround uniformly illuminated "The entire center is illuminated, no light on the surround" A small circle of light on the center and no light on the surround "Most of the surround is illuminated, no light on the center" QUESTION 6 Retinal ganglion cells that are located in the fovea: Receive visual information mostly from the rods Have larger receptive fields than RGCs located in the periphery Are involved in movement detection Are involved in high-acuity vision Are all ON-CENTER cells
Krishna G.
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