PSYB51H3 Chapter 3: Chapter 3 - study notes

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19 Dec 2010
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Chapter 3 spatial v ision: from stars to str ipes. The retina processes information similar to a computer. Describe some of the functions of the pathways. Retina neuron pathway 2 types: vertical (in retina everything begins with photoreceptors ie rods and cones then bipolar cells then ganglion cells and then out of retina. ) and horizontal/lateral pathway the neurons that are present are the amercrine cells. Functions of the lateral pathway is lateral inhibition (good for contrast). Function of the vertical pathway 1)convergence, retinal peripheral, the photoreceptors will project on the bipolar cells and connect to ganglion cells, info bundles cuz there are way more photoreceptor than ganglion cells that exit the eyes. 2) divergences happens in foveo, individual photoreceptor will connect to 2 bipolar cell, one on and one off 3) transport neuron from eye to brain. Diff from computer in this way: processing and interpreting.

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