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Refer to the Figure

Question 29

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Refer to the figure.
Refer to the figure. In the normal amphibian, the topographical projection from the eye to the tectum is mapped onto the tectum in such a way that the projection of the visual field is rotated 90° (A). If the optic nerve is cut, and the eye rotated 180°, the projection of the visual field is mapped onto the tectum as shown in (B). What does this result suggest about how the optic nerve regenerates its retina-tectum connections? What would this mean for the amphibian's behavior after the optic nerve regenerates? In the normal amphibian, the topographical projection from the eye to the tectum is mapped onto the tectum in such a way that the projection of the visual field is rotated 90° (A). If the optic nerve is cut, and the eye rotated 180°, the projection of the visual field is mapped onto the tectum as shown in (B). What does this result suggest about how the optic nerve regenerates its retina-tectum connections? What would this mean for the amphibian's behavior after the optic nerve regenerates?

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