Making sense of what      you see
Bistable perception
QuickTime™ and a        GIF decompressorare needed to see this picture.                                          QuickTime...
Visual awareness
So how does it work?• Eye movements• Expectations• Network of frontal and parietal areas• Activation in regions associated...
Apparent motion
How does it work?• Micro saccades: involuntary movements we  make even when staring at a still object• Refresh the photore...
Change blindness                                                     QuickTime™ and a                                     ...
QuickTime™ and a          decompressorare needed to see this picture.
QuickTime™ and a          decompressorare needed to see this picture.
Hybrid images
How does it work?• Viewing distance, timing
How does it work?• Saccadic eye movement• Attention• Expertise• We don’t perceive and remember all details
Artistic illusionsJonty Hurwitz
via Edgar Mueller)
Thank you!
QuickTime™ and a          decompressorare needed to see this picture.
QuickTime™ and a          decompressorare needed to see this picture.
Illusion workshop
Illusion workshop
Illusion workshop
Illusion workshop
Illusion workshop
Illusion workshop
Illusion workshop
Illusion workshop
Illusion workshop
Illusion workshop
Illusion workshop
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Illusion workshop

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A fun collection of visual illusions.

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Illusion workshop

  1. 1. Making sense of what you see
  2. 2. Bistable perception
  3. 3. QuickTime™ and a GIF decompressorare needed to see this picture. QuickTime™ and a GIF decompressor are needed to see this picture.
  4. 4. Visual awareness
  5. 5. So how does it work?• Eye movements• Expectations• Network of frontal and parietal areas• Activation in regions associated with what you perceive
  6. 6. Apparent motion
  7. 7. How does it work?• Micro saccades: involuntary movements we make even when staring at a still object• Refresh the photoreceptors in the eye• Normally we don’t notice the motion• The contrasts and shapes confuses us Otero-Millan, Macknik, Martinez-Conde, JoN, 2012
  8. 8. Change blindness QuickTime™ and a QuickDraw decompressor are needed to see this picture.http://www.youtube.com/watch?v=6JONMYxaZ_shttp://www.youtube.com/watch?v=vBPG_OBgTWg
  9. 9. QuickTime™ and a decompressorare needed to see this picture.
  10. 10. QuickTime™ and a decompressorare needed to see this picture.
  11. 11. Hybrid images
  12. 12. How does it work?• Viewing distance, timing
  13. 13. How does it work?• Saccadic eye movement• Attention• Expertise• We don’t perceive and remember all details
  14. 14. Artistic illusionsJonty Hurwitz
  15. 15. via Edgar Mueller)
  16. 16. Thank you!
  17. 17. QuickTime™ and a decompressorare needed to see this picture.
  18. 18. QuickTime™ and a decompressorare needed to see this picture.

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