Psychology 100 Week Three Notes
Psychology 100 Week Three Notes PSYCH 100
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This 0 page Class Notes was uploaded by Christopher Raite on Thursday February 11, 2016. The Class Notes belongs to PSYCH 100 at Pennsylvania State University taught by Joshua Wede in Winter 2016. Since its upload, it has received 18 views. For similar materials see Introductory Psychology in Psychlogy at Pennsylvania State University.
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Date Created: 02/11/16
Exam 2 Material Begins Only one lecture this week due to testing Lecture 8 Perceptual Organization Perceptual lllusions using the environment to create meaning To understand how perception is organized illusions provide good examples MullerLyer Illusion gt Which segment is longer AB or BC Ames Room gt What is wrong with this picture Room appears perfectly square when it is not Tall Arch gt Is the arc taller than it is wide or wider than it is tall Watercolor effect How we ll in surfaces brain lls in the eges Figure and Ground 0 Our brain mus deciede what is a gure and what is the ground on exam know why after image is made and how opponent process theory supports it 0 Then it has to decide which part of an object goes with which part c Figure and Ground Examples Old ladyyoung lady VaseCup or two faces Can never see both images Depth Perception gt Depth perception enables us to judge distances gt 2 Types of Cues Binocular Uses both eyes Monocular Only requires 1 eye gt Binocular cues Retinal disparity binocular disparity 9 Our eyes are located slightly apart Image on each retina is slightly different 0 When brain combines images it sees things in 3d Example See a quot nger sausagequot in front of your nose 0 Example Magic Eye Convergence Our eyes move together to focus on something close farther apart for distant objects Monocular cues require only one eye Relative Size 0 If two objects are similar in size one that casts a smaller retinal image as farther away Interpositionocculation One object blocks our view of another the object that is blocking is closer Aerial Perspective 0 Light passes through atmosphere 0 More atmosphere more noise haze Clear objects are closer Linear Perspective 0 Parallel lines appear to converge with distance 0 The more the lines converge the greater their perceived distance KNOW THAT LINEAR PERSPECTIVE IS DIFFERENT FROM CONVERGANCE Texture Gradient We see fewer details texture the farther an object is from us Motion Parallax Close objects appear to move more quickly than objects that are farther away Depth Cues Used by artists all the time Perceptual Constancies gt Perceiving the properties of an object to remain the same even though the physical properties are changing Stimulus retinal image changes percept stays the same Shape constancy Shaper perception always the same retinal image Size constancy We perceive an object as same size even it retinal changes Sizedistance relationship gt Color Constancy Color of an object remains the same under different illuminations All the time Perceptualconstancies gt Retinal image changes percept stays the same Checkerboard illusion gt Retinal image same percept changes gt Depends on context Change context percept changes
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