1. Do rods or cones result in better resolved (more detailed) images? Why?
2. Which area of the retina has the highest resolution (acuity)? Why?
3. Suppose each visual receptive field is monitored by a ganglion cell. Briefly describe
the size and density of receptive fields in the retinal area in question (2) compared to
other retinal areas.
4. Explain how bending the stereocilia in the cochlea results in the brain receiving a
signal.
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Introduction
At the back of the eye, the retina is a light-sensitive layer that makes up about 65% of the interior surface. The retina's rods and cones, which are photosensitive cells, transform incident light energy into signals that the optic nerve sends to the brain. The fovea, also known as the fovea centralis, is a tiny indentation in the centre of the retina. It is where the eye's sharpest vision and most colour perception are located.
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