Myers’  PSYCHOLOGY   (7th Ed) <ul><li>Chapter 6   </li></ul><ul><li>Perception </li></ul><ul><li>James A. McCubbin, PhD </...
Perception <ul><li>Selective Attention   focus of conscious    awareness on a    particular stimulus </li></ul>
Change Blindness
Perceptual Illusions
Perceptual Illusions
Perceptual Illusions
Perceptual Illusions
Perceptual Illusions
Perceptual Illusions
Perceptual Illusions
Perceptual  Organization: Gestalt <ul><li>Visual Capture </li></ul><ul><ul><li>tendency for vision to dominate the other s...
Perceptual  Organization: Gestalt <ul><li>Grouping </li></ul><ul><ul><li>the perceptual tendency to organize stimuli into ...
Perceptual Organization:  Illusory Contours
Perceptual Organization <ul><li>Figure and Ground-- organization of the visual field into objects (figures) that stand out...
Perceptual Organization: Grouping Principles
Perceptual Organization: Closure <ul><li>Gestalt grouping principles are at work here. </li></ul>
Perceptual Organization: Grouping Principles <ul><li>Gestalt grouping principles are at work here. </li></ul>
Perceptual Organization: Depth Perception <ul><li>Depth Perception </li></ul><ul><ul><li>ability to see objects in three d...
Perceptual Organization: Depth Perception Visual Cliff
Perceptual Organization: Depth Perception <ul><li>Monocular Cues </li></ul><ul><ul><li>relative size </li></ul></ul><ul><u...
Perceptual Organization: Depth Perception Relative Size
Perceptual Organization: Depth Perception Interposition
Perceptual Organization: Depth Perception <ul><li>Monocular Cues  (cont.) </li></ul><ul><ul><li>relative height </li></ul>...
Perceptual Organization: Depth Perception Relative Height
Perceptual Organization: Depth Perception Perspective Techniques
Perceptual Organization: Depth Perception Light and Shadow
Perceptual Organization: Depth Perception Illusory Depth
Perceptual Constancy <ul><li>Perceptual Constancy </li></ul><ul><ul><li>perceiving objects as unchanging even as illuminat...
Perceptual Organization
Perceptual Organization: Depth Perception Illusory Depth Explanation
Perceptual Organization: Muller-Lyer Illusion
Perceptual Organization:  Size-Distance Relationship
Perceptual Organization-Brightness Contrast
Perceptual Organization: Grouping Principles <ul><li>Impossible doghouse </li></ul>
Sensory Restriction: Blakemore & Cooper, 1970 <ul><li>Kittens raised without exposure to horizontal lines later had diffic...
Perceptual Interpretation <ul><li>Perceptual Adaptation </li></ul><ul><ul><li>(vision) ability to adjust to an artificiall...
Perceptual Set: Schemas <ul><li>What you see in the  center is influenced    by perceptual set </li></ul>
Perceptual Set:  Schemas Flying Saucers or Clouds?
Perception and the Human Factor <ul><li>Human Factors Psychology </li></ul><ul><ul><li>explores how people and machines in...
Perceptual Set:  Human Factors Actual descent path Pilot’s perceived descent path Altitude looks this much higher 20  18  ...
Is There Extrasensory Perception? <ul><li>Extrasensory Perception </li></ul><ul><ul><li>controversial claim that perceptio...
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Ch06

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Ch06

  1. 1. Myers’ PSYCHOLOGY (7th Ed) <ul><li>Chapter 6 </li></ul><ul><li>Perception </li></ul><ul><li>James A. McCubbin, PhD </li></ul><ul><li>Clemson University </li></ul><ul><li>Worth Publishers </li></ul>
  2. 2. Perception <ul><li>Selective Attention focus of conscious awareness on a particular stimulus </li></ul>
  3. 3. Change Blindness
  4. 4. Perceptual Illusions
  5. 5. Perceptual Illusions
  6. 6. Perceptual Illusions
  7. 7. Perceptual Illusions
  8. 8. Perceptual Illusions
  9. 9. Perceptual Illusions
  10. 10. Perceptual Illusions
  11. 11. Perceptual Organization: Gestalt <ul><li>Visual Capture </li></ul><ul><ul><li>tendency for vision to dominate the other senses </li></ul></ul><ul><li>Gestalt --an organized whole </li></ul><ul><ul><li>tendency to integrate pieces of information into meaningful wholes </li></ul></ul>
  12. 12. Perceptual Organization: Gestalt <ul><li>Grouping </li></ul><ul><ul><li>the perceptual tendency to organize stimuli into coherent groups </li></ul></ul><ul><li>Grouping Principles </li></ul><ul><ul><li>proximity --group nearby figures together </li></ul></ul><ul><ul><li>similarity --group figures that are similar </li></ul></ul><ul><ul><li>continuity --perceive continuous patterns </li></ul></ul><ul><ul><li>closure --fill in gaps </li></ul></ul><ul><ul><li>connectedness --spots, lines, and areas are seen as unit when connected </li></ul></ul>
  13. 13. Perceptual Organization: Illusory Contours
  14. 14. Perceptual Organization <ul><li>Figure and Ground-- organization of the visual field into objects (figures) that stand out from their surroundings (ground) </li></ul>
  15. 15. Perceptual Organization: Grouping Principles
  16. 16. Perceptual Organization: Closure <ul><li>Gestalt grouping principles are at work here. </li></ul>
  17. 17. Perceptual Organization: Grouping Principles <ul><li>Gestalt grouping principles are at work here. </li></ul>
  18. 18. Perceptual Organization: Depth Perception <ul><li>Depth Perception </li></ul><ul><ul><li>ability to see objects in three dimensions </li></ul></ul><ul><ul><li>allows us to judge distance </li></ul></ul><ul><li>Binocular cues </li></ul><ul><ul><li>retinal disparity </li></ul></ul><ul><ul><ul><li>images from the two eyes differ </li></ul></ul></ul><ul><ul><ul><li>closer the object, the larger the disparity </li></ul></ul></ul><ul><ul><li>convergence </li></ul></ul><ul><ul><ul><li>neuromuscular cue </li></ul></ul></ul><ul><ul><ul><li>two eyes move inward for near objects </li></ul></ul></ul>
  19. 19. Perceptual Organization: Depth Perception Visual Cliff
  20. 20. Perceptual Organization: Depth Perception <ul><li>Monocular Cues </li></ul><ul><ul><li>relative size </li></ul></ul><ul><ul><ul><li>smaller image is more distant </li></ul></ul></ul><ul><ul><li>interposition </li></ul></ul><ul><ul><ul><li>closer object blocks distant object </li></ul></ul></ul><ul><ul><li>relative clarity </li></ul></ul><ul><ul><ul><li>hazy object seen as more distant </li></ul></ul></ul><ul><ul><li>texture coarse --> close fine --> distant </li></ul></ul>
  21. 21. Perceptual Organization: Depth Perception Relative Size
  22. 22. Perceptual Organization: Depth Perception Interposition
  23. 23. Perceptual Organization: Depth Perception <ul><li>Monocular Cues (cont.) </li></ul><ul><ul><li>relative height </li></ul></ul><ul><ul><ul><li>higher objects seen as more distant </li></ul></ul></ul><ul><ul><li>relative motion </li></ul></ul><ul><ul><ul><li>closer objects seem to move faster </li></ul></ul></ul><ul><ul><li>linear perspective </li></ul></ul><ul><ul><ul><li>parallel lines converge with distance </li></ul></ul></ul><ul><ul><li>relative brightness </li></ul></ul><ul><ul><ul><li>closer objects appear brighter </li></ul></ul></ul>
  24. 24. Perceptual Organization: Depth Perception Relative Height
  25. 25. Perceptual Organization: Depth Perception Perspective Techniques
  26. 26. Perceptual Organization: Depth Perception Light and Shadow
  27. 27. Perceptual Organization: Depth Perception Illusory Depth
  28. 28. Perceptual Constancy <ul><li>Perceptual Constancy </li></ul><ul><ul><li>perceiving objects as unchanging even as illumination and retinal image change </li></ul></ul><ul><ul><ul><li>color </li></ul></ul></ul><ul><ul><ul><li>shape </li></ul></ul></ul><ul><ul><ul><li>size </li></ul></ul></ul>
  29. 29. Perceptual Organization
  30. 30. Perceptual Organization: Depth Perception Illusory Depth Explanation
  31. 31. Perceptual Organization: Muller-Lyer Illusion
  32. 32. Perceptual Organization: Size-Distance Relationship
  33. 33. Perceptual Organization-Brightness Contrast
  34. 34. Perceptual Organization: Grouping Principles <ul><li>Impossible doghouse </li></ul>
  35. 35. Sensory Restriction: Blakemore & Cooper, 1970 <ul><li>Kittens raised without exposure to horizontal lines later had difficulty perceiving horizontal bars. </li></ul>
  36. 36. Perceptual Interpretation <ul><li>Perceptual Adaptation </li></ul><ul><ul><li>(vision) ability to adjust to an artificially displaced visual field </li></ul></ul><ul><ul><ul><li>prism glasses </li></ul></ul></ul><ul><li>Perceptual Set </li></ul><ul><ul><li>a mental predisposition to perceive one thing and not another </li></ul></ul>
  37. 37. Perceptual Set: Schemas <ul><li>What you see in the center is influenced by perceptual set </li></ul>
  38. 38. Perceptual Set: Schemas Flying Saucers or Clouds?
  39. 39. Perception and the Human Factor <ul><li>Human Factors Psychology </li></ul><ul><ul><li>explores how people and machines interact </li></ul></ul><ul><ul><li>explores how machine and physical environments can be adapted to human behaviors </li></ul></ul>
  40. 40. Perceptual Set: Human Factors Actual descent path Pilot’s perceived descent path Altitude looks this much higher 20 18 16 14 12 10 8 6 4 2 Distance from runway (miles) 10 8 6 4 2 0 Altitude (thousands of feet)
  41. 41. Is There Extrasensory Perception? <ul><li>Extrasensory Perception </li></ul><ul><ul><li>controversial claim that perception can occur apart from sensory input </li></ul></ul><ul><ul><ul><li>telepathy </li></ul></ul></ul><ul><ul><ul><li>clairvoyance </li></ul></ul></ul><ul><ul><ul><li>precognition </li></ul></ul></ul><ul><li>Parapsychology </li></ul><ul><ul><li>the study of paranormal phenomena </li></ul></ul><ul><ul><ul><li>ESP </li></ul></ul></ul><ul><ul><ul><li>psychokinesis </li></ul></ul></ul>

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