Psy 102: Announcements

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Psy 102 Announcements

• Party Sunday 11.11 am 111, 11th St, Del Mar
• 199 sign-up sheet
• Experiment Voluntary -- 10 minutes Today
  ILLUSIONS
• SA, Lindsay, Video

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Want to do a 199 ?

• 10 hr/wk in RESEARCH LAB for 10 weeks
• One full course credit
• Sign up now if interested (No obligation)
• I cant take everybody
• Want your name passed on to other professors?

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Last years student artists
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You will see two red spots circling around.
Please draw their orbits accurately (we will
measure them later)
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Illusion web sites

• Brightness
• http//persci.mit.edu/gallery.html
• Motion
• http//epunix.biols.susx.ac.ujk/Home/George_Mather
  /Motion/index.html
• Illusions (was illusionworks.com)
• http//psylux.psych.tu-dresden.de/i1/kaw/diverses
  20Material/www.illusionworks. com/index.html
• General vision
• http//visionscience/com/
• Card trick
• http//loftcam.com/trick3.html

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Illusions

• Ambiguous pictures
• Visual puns with more than one interpetation
• Puzzle pictures
• Hard to find an interpretation
• What is it?
• Geometrical illusions
• Of Angle
• Of Length
• Two types of theory
• Inappropriate depth judgments constancy
  scaling
• Low-level interacting orientation detectors, in
  V1?
• Illusions of brightness and color
• Illusions based on depth
• Impossible figures
• 2-D representations of objects that cannot exist
  in 3-D

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• Ambiguous pictures
• Visual puns with more than one interpetation

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Figure ground segregation

• (Much studied by Escher)

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• Roger Shepard Mindsights

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Puzzle pictures

• Hard to find an interpretation
• What is it?

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Geometrical illusions

• Of Angle
• Of Length
• Two types of theory
• Inappropriate depth judgments constancy sclaing
• Low-level interactions between orientation
  detectors, in V1?

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Illusions of brightness and color
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Illusions based on depth
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Impossible figures

• 2-D representations of objects that cannot exist
  in 3-D

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Mauritz Escher

• Dutch engraver

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Some smart peoples web sites

• Dale Purves (Duke U)
• http//www.purveslab.net
• Ted Adelson (MIT)
• http//www-bcs.mit.edu/people/adelson/
• Ken Brecher (Boston U)
• http//www.lite.bu.edu/vision/
• Akiyoshi Kitaoka (Japan)
• http//www.ritsumei.ac.jp/akitaoka/indexe.html
  
• Brain Behavior
• http//www.inst.santafe.cc.fl.cs/mwehr/X2BioWR.ht
  m

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Illusion web sites

• Brightness
• http//persci.mit.edu/gallery.html
• Motion
• http//epunix.biols.susx.ac.ujk/Home/George_Mather
  /Motion/index.html
• Illusions (was illusionworks.com)
• http//psylux.psych.tu-dresden.de/i1/kaw/diverses
  20Material/www.illusionworks. com/index.html
• General vision
• http//visionscience/com/
• Card trick
• http//loftcam.com/trick3.html

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