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Chapter 6 Perceptual Organization

Chapter 6 Perceptual Organization. Perceptual Illusions. Perceptual Illusions. Perceptual Illusions. Perceptual Illusions. Perceptual Illusions. Perceptual Illusions. Perceptual Illusions. Perceptual Organization: Gestalt. Visual Capture tendency for vision to dominate the other senses

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Chapter 6 Perceptual Organization

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  1. Chapter 6 Perceptual Organization

  2. Perceptual Illusions

  3. Perceptual Illusions

  4. Perceptual Illusions

  5. Perceptual Illusions

  6. Perceptual Illusions

  7. Perceptual Illusions

  8. Perceptual Illusions

  9. Perceptual Organization: Gestalt • Visual Capture • tendency for vision to dominate the other senses • Gestalt • an organized whole • tendency to integrate pieces of information into meaningful wholes

  10. Perceptual Organization: Illusory Contours

  11. Perceptual Organization • Figure and Ground--organization of the visual field into objects (figures) that stand out from their surroundings (ground)

  12. Perceptual Organization: Gestalt • Grouping • the perceptual tendency to organize stimuli into coherent groups • Grouping Principles • proximity--group nearby figures together • similarity--group figures that are similar • continuity--perceive continuous patterns • closure--fill in gaps • connectedness--spots, lines, and areas are seen as unit when connected

  13. Perceptual Organization: Grouping Principles

  14. Perceptual Organization: Closure • Gestalt grouping principles are at work here.

  15. Perceptual Organization: Grouping Principles • Gestalt grouping principles are at work here

  16. Perceptual Organization: Depth Perception • Depth Perception • ability to see objects in three dimensions • allows us to judge distance • Binocular cues • retinal disparity • images from the two eyes differ • closer the object, the larger the disparity • convergence • neuromuscular cue • two eyes move inward for near objects

  17. Perceptual Organization: Depth Perception Visual Cliff

  18. Perceptual Organization: Depth Perception • Monocular Cues • relative size • smaller image is more distant • interposition • closer object blocks distant object • relative clarity • hazy object seen as more distant • texture coarse --> close fine --> distant

  19. Perceptual Organization: Depth Perception Relative Size

  20. Perceptual Organization: Depth Perception Interposition

  21. Perceptual Organization: Depth Perception • Monocular Cues (cont.) • relative height • higher objects seen as more distant • relative motion • closer objects seem to move faster • linear perspective • parallel lines converge with distance • relative brightness • closer objects appear brighter

  22. Perceptual Organization: Depth Perception Relative Height

  23. Perceptual Organization: Depth Perception Perspective Techniques

  24. Perceptual Organization: Depth Perception Light and Shadow

  25. Perceptual Organization: Depth Perception Illusory Depth

  26. Perceptual Constancy • Perceptual Constancy • perceiving objects as unchanging even as illumination and retinal image change • color • shape • size

  27. Perceptual Organization

  28. Perceptual Organization: Muller-Lyer Illusion

  29. Perceptual Organization: Size-Distance Relationship

  30. Perceptual Organization-Brightness Contrast

  31. Perceptual Organization: Grouping Principles • Impossible doghouse

  32. Perceptual Organization: Depth Perception Illusory Depth Explanation

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