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Internet Exercises
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Sensation: Receiving Messages about the World
  1. http://www.lcc.edu/~msbrady/virtual_college/mini_lectures/sensation_and_perception.htm "If a tree falls in the forest and there is nothing there to here it, does it make a sound?" Read the above information and answer the question. Support your answer with some good reasoning.
  2. http://faculty.washington.edu/chudler/introb.html#sense Could we have X-ray vision if our eyes were "tuned" to a different frequency? Check this link and "I Spy" to find out the answer. Discuss why or why not.
  3. http://faculty.washington.edu/chudler/bigear.html How loud is a chain saw? What is a decibel? Check this link to answer these questions. Which is louder, a chain saw or a lawn mower?
  4. http://faculty.washington.edu/chudler/nosek.html Do you have mitral cells in your nose or in your eyes? Check this link to answer the question. What does a mitral cell do?

Vision: Your Human Camera
  1. http://www.yorku.ca/eye/thejoy1.htm Learn light and dark adaptation here. Discuss receptor absorbencies' relationship to light and dark adaptation.
  2. http://www.yorku.ca/eye/eye1.htm What is the purpose of the iris? Check this link and point-click on eye parts to find out the answer.
  3. http://www.yorku.ca/eye/shape1.htm Provide a definition of shape constancy. This link gives you the information you need.
  4. http://www.yorku.ca/eye/receptor.htm What is isomerization? Discuss the chemistry involved in seeing. This link will lead the way.

Chemical Senses: The Flavors and Aromas of Life
  1. http://www.csa.com/crw/web/web-taste.html Check this site out for everything you want to know about taste and smell. Answer this question: Can bacteria smell?
  2. http://www.ultranet.com/~jkimball/BiologyPages/T/Taste.html What hormone increases salt receptors on the tongues of lab animals? Check out the answer with this link. What are G-protein-coupled receptors and what relationship do they have to the sense of tasting something sweet?
  3. http://zebra.sc.edu/smell/ann/myth0.html Do men and women differ in their ability to detect smells? Check this link and answer the question.
  4. http://www.love-scent.com/research/genfo.html What are pheromones? Are humans affected by pheromones? This link will give you some answers.

Perception: Interpreting Sensory Messages
  1. http://www.rci.rutgers.edu/~cfs/305_html/Gestalt/Illusions.html What is the Hering-Helmholtz Illusion? See it at this link. Discuss the illusion.
  2. http://www.rci.rutgers.edu/~cfs/305_html/Gestalt/HiContrast.html What is this picture? You'll have to see the figure in the ground.
  3. http://alexandrah.tripod.com/illusions.html A woman in front of a mirror or a skull? Discuss this illusion.
  4. http://eluzions.com/Illusions/Distortion/ What is the Poggendorf Illusion? What was Dr. Poggendorf's occupation? Check it out here. Discuss the Poggendorf Illusion effect as you sensed it when looking at the page.






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