Exam 2: The First Steps in Vision: From Light to Neural Signals

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Suppose your pupils are dilated after visiting the eye doctor. What is the effect on the amount of photopigment in your photoreceptors, and why?

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If the M ganglion cells in the retina suddenly disappeared, what would be the consequences for perception?

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Why is lateral inhibition important for retinal ganglion cell receptive fields?

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Literally meaning "old sight," this term refers to age-related loss of accommodation, which makes it difficult to focus on near objects.

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Rods are most highly concentrated in which area of the retina?

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Describe the journey of light from the time it is emitted by the sun to the time it is registered by our eyes. In what ways is light reflected, refracted, transmitted, and absorbed?

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The retina

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The colored part of the eye, consisting of a muscular diaphragm, is called the

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Which of the following are retinal cells that synapse with photoreceptors, horizontal cells, and ganglion cells?

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