PPT-Illusions

. L Gregory Reprinted from Proc Royal Society B 171 179296 This paper develops the notion of perceptual hypotheses and also raises questions concerning the distinction to be made between analogue and digital This is made in the context of the brain an ‘The greatest calamity that can befall people is not that they should be born blind, but rather that they should have eyes and yet fail to see.’. ` Helen Keller, 1880-1968 . Helen Adams Keller. Using line to show the ILLUSION of space. The Elements of art. These are tools that artists use to help communicate something to the viewer. They are line, shape, texture, value, color, line and form.. Mind games and fun. Homework. Share your superheroes!!!. Optical illusions. Optical . illusions. . are . cool images perceived in a manner that differs from objective reality. What the human eye sees is interpreted by the brain in a way that contradicts physical measurement of the source image.. Akhil Dondapati, Kendall Liang, Rose Maisner, Kali Rigby, Zachary Rissman, Cailey Talbot, Ralph Tancredi Jr., David Tong, Asrita Vattikonda, Amy Vonder Haar, Alan Zhang. Advisor: Patrick O. Dolan, Ph.D. Perceptual illusion 1. Perceptual illusion 2. Perceptual illusion 3. Perceptual illusion 4. Perceptual illusion 5. Perceptual illusion 6. Perceptual illusion7. Can you find the woman and child?. Perceptual illusion 8. vision. Arnold Wilkins. University of Essex, UK. © Debbie Ayles, 2004. A whistle-stop tour. Images in nature have a particular spatial structure to which we are adapted.. In the modern world images have a different structure and have become . A. 1914-1915: Illusions and . Stalemate. Gov’t. propaganda . . enthusiasm for war. . Many illusions about the war. . B. War . in the West. . Schlieffen. Plan . . Attack FR thru BLG. . Place & Region. 3 types of illusions that affect our perceptions. Literal Optical Illusions. : create images that do not represent a physical measurement of the stimulus source. . Physiological Illusions. http://www.psychologie.tu-dresden.de/i1/kaw/diverses%20Material/www.illusionworks.com/index.html. The . Warped Chair.  by . Ibride. Perception. a process of . organizing and interpreting . sensory information, enabling us to recognize meaningful objects and events. :. Conflicting Appearance. What does this drawing look like?. Can you see something else?. What is an optical illusion? . An optical illusion . is seeing something that does not exist or that is different than it appears to be.. What do you see first?. An old witch or a young woman?. A musician or . a girl’s face. ?. Duck or Rabbit?. Young Girl or Old Woman?. Father or son?. Swan or Squirrel?. Seal or Donkey?. Duck or Rabbit?. Why We Aren’t As Ethical As . We Think We Are. Ann E. Tenbrunsel. University of Notre Dame. Tyco. Enron. General . Motors. WorldCom. News Corp.. General Electric. Lincoln . Savings & Loan. Sears. What are optical illusions?. An experience of seeming to see something that does not exist or that is other than it appears. An experience of seeming to see something that does not exist or that is other than it appears.