Sensation and Perception Continued
A. Perceiving Depth: Binocular Cues
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Retinal Disparity - Each eye has a slightly different view.
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Convergence - Eyes turn inward to fixate close objects
B. Perceiving Depth: Monocular Cues
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Motion Paralax - Near objects move opposite, Far objects
don't.
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Accommodation - Lens adjusts to focus near object.
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Pictorial Depth Cues
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Linear
Perspective - Parallel lines seem to converge.
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Height in Plane - Closer objects lower in visual field.
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Texture gradient/Relative size - Closer objects are larger.
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Light and Shadow - If source of light known...
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Interposition
- Near objects mask parts of distant objects.
C. Experience and Depth Perception
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Visual
Cliff - Babies avoid falling off a table.
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But, experience does influence our skill at using depth cues
D. Illusions and Impossible Figures.
