General Psych week 7
General Psych week 7 General Psychology 11762
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This 4 page Class Notes was uploaded by Madeline Mitchell on Wednesday February 25, 2015. The Class Notes belongs to General Psychology 11762 at Kent State University taught by Dr. Ashley Galati in Winter2015. Since its upload, it has received 117 views. For similar materials see General Psychology in Psychlogy at Kent State University.
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Date Created: 02/25/15
General Psychology Week 7 Lecture notes Dr Ashley Galati Kent State University Vision bending of light occurs as light waves pass through a surface We want light to fall on our retina fovea if not we cannot see clearly May need to be bent inout or more distributed idea that cells in the retina fovea are going to transform light into neural signals For further interpretation Seeing really occurs in retina fovea Retina contains photoreceptors receive process light These allow us to process light Two types of photoreceptors in humans back of retina 1 allow us to see in lowlight our periphery Not detail oriented Gets name from shape 2 function best in mediumhigh light responsible for detail acuity allow us to see in color name from shape Cells are distributed differently within the retina Within fovea ONLY photoreceptor is cones high density Within retina high density of rods low density of cones Cornea initial refraction entrance of light Lens most important for ability to see clearly Accommodation changing shape of the lens to focus light on the retina Brings objects into focus Thicker rounder lens focuses on NEAR objects by condensing the light Thinner atter lens focuses on FAR objects normal uncorrected Vision properly working lens amp shaped cornea Problems with accommodation when far away objects appear blurry light falling short of the retina Light condensed to a point where it doesn t end up hitting retina Nearsightedness near objects appear blurry but can see in distance Light refracts to a point past the retina seen in children Farsightedness Visual Perception Theory grouping info into some content whole Way in which we group info is according to rules 0 thinks about perception at basic level lines etc Idea that in the brain there are certain cells which are only going to respond to certain features o idea that we will recognize and process multiple aspects of a stimulus at one time related to different quantities of stimulus Perceptual Organization perception of whole is different from the individual components that make up that object 39 idea that we need to determine where an object lies relative to an edge Figure actual object focal point Ground something less interested in background Color Vision Objects themselves are not colored 9 phenomenon 0 When seeing color it is light waves and our interpretation of light waves 0 3 different receptors in our eye that function by interpreting light waves Three types of cones in eye 9 each type di erent wavelength 1 S cones short wavelengths blue 2 M cones medium wavelengths green 3 L cones long wavelengths red Our perception based on how perceptive active these cones are When we see 9 all 3 cones are at equal percent 3333
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