Perception

Ilusiones Perceptuales Ilusiones Ópticas – estímulos físicos que producen todo el tiempo errores en la percepción

Perception Is… ,[object Object],[object Object]

Perceptual Basics ,[object Object],[object Object],[object Object],[object Object]

Depth Perception ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Monocular Depth Cues

Monocular Depth Cues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Binocular Depth Cues ,[object Object],[object Object],[object Object],[object Object]

Object Perception ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Object Perception ,[object Object],[object Object],[object Object],[object Object],[object Object]

Gestalt’s View of Perception ,[object Object],[object Object],[object Object],[object Object]

Gestalt’s Principles of Visual Perception ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],   

Gestalt’s Principles of Visual Perception ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Kanizsa's Figure C B A D

Theories of Perception ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Gibson’s Direct Perception (Ecological model) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Bottom Up Processing Theories ,[object Object],[object Object],[object Object],[object Object],0

Template Theory ,[object Object],[object Object],[object Object],See stimuli Search memory for a match 0

Template Theory ,[object Object],[object Object],[object Object],See stimuli No perfect match in memory Search for match in memory 0

Prototype Theories ,[object Object],[object Object],[object Object],0

Prototype Evidence ,[object Object],[object Object],[object Object],[object Object],[object Object],0

Prototype Evidence ,[object Object],[object Object],[object Object],0

Solso & McCarthy (1981) Results ,[object Object],0

Research on Prototypes ,[object Object],[object Object],[object Object],[object Object],0

Feature Theories ,[object Object],[object Object],[object Object],0

Feature Evidence ,[object Object],[object Object],[object Object],[object Object],0

Structural-Description Theories ,[object Object],[object Object],[object Object],[object Object],0

Evidence of Geons ,[object Object],[object Object],These objects have been rendered unidentifiable because their geons are nonrecoverable 0

Evidence of Geons ,[object Object],[object Object],These objects have had the same amount of the object taken out but because the geons can still be recreated, one can recover the objects 0

Evidence for Geons ,[object Object],Original Recoverable Nonrecoverable 0

Evidence for Geons ,[object Object],[object Object],[object Object],0

Biederman & Cooper (1991) After naming novel objects, the second phase begins … Name these fragmented objects 0

Biederman & Cooper (1991) 1 st fragment Complementary fragment Different exemplar Several different kinds of stimuli were used: identical repeats, complementary, novel, and different exemplars. Reaction time to name object was noted. 0

Biederman & Cooper (1991) Results Reaction time for identical and complementary stimuli was faster demonstrating visual priming. Visual priming could only occur if participants had created the whole geon when exposed to the first fragmented image. 0

Top-down Processing (Constructive Perspective) ,[object Object],[object Object],[object Object],0

Top-down Processing Evidence ,[object Object],0

Palmer (1975) Context Effect ,[object Object],[object Object],[object Object],[object Object]

Marr’s Computational Theory edges contours blobs edges contours blobs depth & orientation depth & orientation real shape real shape 2-D Primal sketch 2.5-D Sketch 3-D model representation

Deficits in Perception ,[object Object],[object Object],[object Object]

Perceptual Deficits ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Perception

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Perception