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Visual Information Processing Paper

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Visual Information Processing Paper
Laura Nancy Vargas
PSYCH/64
December 2, 2013
Holly Berry Perception Paper
Humans have a unique and wonderful device in how one sees. The eye and brain work together to turn the world into visual data one’s brain can understand and use. There are some eye conditions that inhibit the sight or the recognition of the shapes one sees. Research continues to overcome these conditions as well as to further understand the biochemical reaction that gives humans the sight and understanding one has of visual data. Included in the paper are some of the latest research methods.
Describe Visual Information Processing The way a human eye and brain works together to produce visual data understandable to the brain is through a biochemical reaction to light turned into neural impulses by the brain. The section of the brain dedicated to interpreting vision is the visual cortex. . Light passes through the lens and the vitreous humor and falls on the retina at the back of the eye (J.R. Anderson, 2009, pg. 34). The retina includes the light sensing or photoreceptor cells. These cells change physical shape when exposed to light. The photoreceptor cells are of two kinds; rods and cones. At this point the photochemical process occurs that turns the information of the light, including shapes, texture, color, orientation, and depth, into neural impulses. Rods are the cells that when exposed to less light energy are responsible for less sharp images, the kind one sees at night. Cones are responsible for seeing color, acuity, and high-resolution vision. Cones are in one part of the back of the eye, or retina, which is called the fovea. Moving one’s eye to focus on an object is to allow light to fall on the fovea, which sends high-resolution images to the brain. The next major section involved in sight is the optic nerve made up of bipolar cells

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