part 1. part 1: sensory processing vision part 2: other sensory systems
Post on 21-Dec-2015
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TransductionTransduction
The process by which sense organs convert energy from the environmental events into
neural activity
Receptors:
PhotoreceptorsHair cells
Taste receptor cellsCilia
Theories of Color VisionTheories of Color Vision
• Young-Helmholtz Trichromatic Theory
• Opponent Process Theory– Negative Afterimages
Defects in Color VisionDefects in Color Vision
• Red/Green Color Blindness
• Blue/Yellow Color Blindness
• Cerebral Achromatopsia
Perception of FormPerception of Form
• Primitive Features
• Figure and Background (Ground)
• Gestalt Psychology and Perceptual Grouping
Perception of FormPerception of Form
• Law of Similarity:X X X O O O X X X O O O X X X X X X O O O X X X O O O X X X
X X X O O O X X X O O O X X X X X X O O O X X X O O O X X X
X X X O O O X X X O O O X X XX X X O O O X X X O O O X X X
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Monocular CuesMonocular Cues
• Interposition• Linear Perspective• Relative Size• Texture Gradient• Relative Motion
– Motion Parallax
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