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Perception

Perception. How we process mental images. Monocular Depth Cues. Relative Clarity Distant objects appear less clear than they are. Moisture exaggerates depth. Linear Perspective Parallel lines seem to come together in the distance.

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Perception

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  1. Perception How we process mental images.

  2. Monocular Depth Cues • Relative Clarity Distant objects appear less clear than they are. Moisture exaggerates depth. • Linear Perspective Parallel lines seem to come together in the distance.

  3. "Whilst part of what we perceive comes through our senses from the object before us, another part always comes out of our own mind." -- William James

  4. Perceptual Constancy • Perceiving that the size, shape, and lightness of an object as unchanging even as the image on the retina of the eye changes.

  5. Size Constancy • When an object comes nearer, our brain understands that it’s not getting bigger even if it appears to.

  6. Which is bigger? http://psych.hanover.edu/krantz/sizeconstancy/Sizeconstancy.html

  7. Shape Constancy • Even if the angle in which we are looking things changes we don’t see the object in a different shape.

  8. Lightness Constancy • When the light around the object changes the objects apparent color changes but it’s actual color doesn’t.

  9. Perceptual set • Mental predisposition to perceive something one way and not the other.

  10. Expectations

  11. Mystery Spot

  12. Bibliography • IllusionWorks • http://psylux.psych.tu-dresden.de/i1/kaw/diverses%20Material/www.illusionworks.com/html/hall_of_illusions.html • Roger Shepard (1990). Mind Sights: Original Visual Illusions, Ambiguities, and Other Anomalies. San Francisco: W. H. Freeman.

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