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Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
Perception Slides
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Perception Slides

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Perception Unit slides

Perception Unit slides

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  • Phi Phenomenon: green dot seems to “move”







  • Transcript

    • 1. Perception
    • 2. Partner #2 closes eyes and pinches nose Partner #1 gives one jelly bean of Flavor A Halfway through chewing Flavor A, #2 unpinches nose and tries to guess flavor. Repeat for remaining three jelly beans. Switch partners
    • 3. Perception Perception The process of organizing and interpreting sensory information. Selective Attention The focusing of conscious awareness on a particular stimulus.
    • 4. Perception Perception The process of organizing and interpreting sensory information. Selective Attention The focusing of conscious awareness on a particular stimulus.
    • 5. Selective Attention
    • 6. Selective Attention
    • 7. Selective Attention
    • 8. Selective Attention
    • 9. Selective Attention
    • 10. Perceptual Illusions Text Franz Muller-Lyer Illusion. Which segment is longer? AB or BC?
    • 11. Perceptual Illusions Text Franz Muller-Lyer Illusion. Which segment is longer? AB or BC? AB is one-third longer than BC.
    • 12. Perceptual Illusions Size-Distance Relationship Illusions help us understand perception.
    • 13. Size-Distance Relationship
    • 14. Perceptual Organization Visual Capture Tendency for vision to dominate the other senses. Grouping The perceptual tendency to organize stimuli into coherent groups. Gestalt Tendency to integrate pieces of information into a meaningful whole.
    • 15. Form Perception: Figure and Ground The organization of the visual field into objects (the figure) that stand out from their surroundings (the ground).
    • 16. Form Perception: Grouping
    • 17. Depth Perception Depth Perception The ability to see objects in three dimensions. Allows us to judge distances. Sources of Depth Perception Binocular Cues Monocular Cues
    • 18. Depth Perception: Binocular Cues Retinal Disparity Images from two eyes differ. The closer the object, the greater the difference. Eg MagicEye Convergence The extent to which the eyes converge when looking at an object.
    • 19. Depth Perception: Monocular Cues Interposition - Closer Relative Height – object blocks distant Objects higher in our object. vision seem farther. Relative Size - Smaller Relative Motion – The image is more distant. nearer an object, the faster it moves. Relative Clarity - Hazy Linear Perspective – object seen as more Parallel lines seem to distant. converge at the horizon. Texture Gradient - Light and Shadow – Coarse = close and Fine = Further objects seem more distant. dim.
    • 20. Motion Perception As an object moves across our field of vision, it is detected by opposing visual cortices. Phi Phenomenon – marquees. Stroboscopic Movement – 24 frames per second.
    • 21. Perceptual Constancy Perceiving objects as unchanging despite changes in retinal image. Color Shape Size
    • 22. Perceptual Constancy Size-Distance Relationship Linear Perspective uses context cues to tell distance based on relative size.
    • 23. Perceptual Constancy Lightness Constancy Relative luminance: the amount of light an object reflects relative to its surroundings.
    • 24. Perceptual Interpretation Sensory Deprivation. There is a critical period for developing feature detector cells. If deprived of a stimuli over a long period of time, the brain loses the original ability to process that stimuli. Eg Blakemore and Cooper, 1970.
    • 25. Perceptual Interpretation Perceptual Adaptation The visual ability to adjust to an artificially displaced visual field. E.g. Prism glasses.
    • 26. Perceptual Interpretation Perceptual Set A mental predisposition to perceive one thing and not another. Context Effects Context affects perception.
    • 27. Extrasensory Perception Telepathy ESP Mind-to-mind The controversial claim that communication. perception can occur apart from sensory input. Clairvoyance A reproducible ESP Perceiving remote events. phenomenon has never been Precognition discovered, nor has anyone produced any individual who Perceiving future events. can convincingly demonstrate psychic ability.

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