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Perception Chp6
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Perception Chp6

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Myers Chp. 6
Psychology

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Transcript

  • 1. Chapter 6 Perception
  • 2. Perception
    • Selective Attention
    • focus of conscious awareness on a particular stimulus
  • 3. Perceptual Organization- Gestalt
    • Visual Capture
      • tendency for vision to dominate the other senses
    • Grouping
      • the perceptual tendency to organize stimuli into coherent groups
  • 4. Perceptual Organization- Gestalt
    • Gestalt - an organized whole
      • tendency to integrate pieces of information into meaningful wholes
    • 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
  • 5. Perceptual Organization
    • Figure and Ground
    • organization of the visual field into objects (figures) that stand out from their surroundings (ground)
  • 6. Perceptual Organization- Grouping Principles
  • 7. Perceptual Organization- Grouping Principles
    • Gestalt grouping principles are at work here.
  • 8. 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
  • 9. Perceptual Organization-Depth Perception
    • Visual Cliff
  • 10. 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
  • 11. Perceptual Organization-Depth Perception Relative Size
  • 12. Perceptual Organization-Depth Perception
  • 13. 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
  • 14. Perceptual Organization-Depth Perception Perspective Techniques
  • 15. Perceptual Constancy
      • perceiving objects as unchanging despite changes in retinal image
        • color
        • shape
        • size
  • 16. Perceptual Organization-Muller-Lyer Illusion
  • 17. Perceptual Organization- Size-Distance Relationship
  • 18. Perceptual Organization-Brightness Contrast
  • 19. Sensory Restriction- Blakemore & Cooper, 1970
    • Kittens raised without exposure to horizontal lines later had difficulty perceiving horizontal bars.
  • 20. Perceptual Interpretation
    • Perceptual Adaptation
      • (vision) ability to adjust to an artificially displaced visual field
        • prism glasses
    • Perceptual Set
      • a mental predisposition to perceive one thing and not another
  • 21. Perceptual Set- Schemas
    • What you see in the center is influenced by perceptual set
  • 22. Perceptual Set- Schemas Flying Saucers or Clouds?
  • 23. Perceptual Set- Human Factors
  • 24. Perception without Sensation?
    • Extrasensory Perception
      • controversial claim that perception can occur apart from sensory input
        • telepathy
        • clairvoyance
        • precognition
    • Parapsychology
      • the study of paranormal phenomena
        • ESP
        • psychokinesis