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paper 4, visual stuff - Julia Nan PID 720195521 Psychology...

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Julia Nan PID: 720195521 Psychology 101-001 Vision Paper I pledge that I have neither received nor given unauthorized assistance on this assignment First, electromagnetic waves, or light, enter the eye by passing through the cornea, a hard covering in the front part of the eye. Then the light is going to go through the pupil, and the lens behind the pupil focuses the light and projects it onto the retina. The retina is actually a piece of neural tissue that sticks into the back of the eye. The retina is where the light will be transformed from a stimulant to a neural signal that will be translated in the brain The light signal is first received by the cells, called cons and rods, in the very back of the retina. Cons and rods are visual receptors that detect light and color respectively. There are more rods than cones in the human eyes, which explain why we can detect light better than we detect colors. Also, cons are only congregated in the center part of the retina, called the fovea, and the visual acuity is the greatest in that area. The rods, on the other hand, are more spread out, which
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