Sensation and Perception Webquest by MikeJenny

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									                                    Sensation and Perception Webquest

Step One… The basics of sensation and perception… test yourself!
Now click on the following link: http://www.bbc.co.uk/science/humanbody/ Under “Interactive Body” click on “Senses
Challenge”. Complete the challenges in a timely fashion. When you are finished with the individual challenges, click on
explanation. This will allow you to answer the questions for each below. Use your own notebook to answer the
questions.

1. After doing challenge 1, click on the explanation. Why do measurement optical illusions occur?

2. For challenge 3, explain what is happening in this illusion.

3. Explain shadow compensation (from challenge 5).

4. Explain what happens in challenge 6.

5. How does our past experience impact how we process information? (challenge 7).

6. Why do many people have difficulty finding the change in the image in question 9?

7. Why do chili peppers taste hot? (challenge 12).

8. Why are supertasters more sensitive to taste than others (challenge 13)?

9. How is the intensity of sound measured? What impacts the loudness we perceive? (challenge 15)

10. Why are smells often linked to memories? (challenge 20).

Step Two: “Focus” on the Eye (pardon the pun!)

Go to the following websight (did you catch the spelling? ) and complete the questions that follow:
http://library.thinkquest.org/J002330/

First: click on Anatomy and then both Inner and Outer anatomy to complete the diagram below

                                                                                        1. Label the parts of the
                                                                                        eye with a BRIEF
                                                                                        description of each
Now click on “The Eye” and then go to “How we perceive color” and “Sight” to answer the following:

2. What is white? What is black?

3. Why do “density and complexity matter”?

4. How do we see?

Now click on “Ailments” and answer the following:

5. Explain “colorblindness”.

6. Differentiate between nearsightedness, farsightedness, and astigmatism.

Now click on “Games” and go to “Stereograms”.

7. Can you see them? Can you explain why you can or why you can’t? ( I can’t and it’s frustrating)

Step Three: Is it all just an illusion???

Now it is time to understand some illusions… go to the following websites and then answer the questions
that follow:

http://www.questacon.edu.au/illusions/poggendorff_illusions.html

http://www.questacon.edu.au/illusions/herring_illusion.html

http://www.questacon.edu.au/illusions/muller-lyer_illusion.html

http://www.questacon.edu.au/illusions/zollner_illusion.html .

8. What are the names of these illusions? How are they similar? How are they different? Click explanation
for each and briefly explain what is happening.

Now go to the following websites to view the artwork by M. C. Escher and John Pugh and answer the
questions that follow

M.C. Escher http://www.mcescher.com/ Escher is one of my favorite artists. (read a bit and click on
“galleries” to view his art. His later works are especially amazing…. Italian Period, Switzerland and Belgium,
and Back in Holland) Click on the small images to see them larger.

Julian Beever http://hubpages.com/hub/Incredible_Beever Another one of my favorites! (First, read his
biography to find out about the artist and then scroll down to see his art. Some of my favorites are “Lobster”,
“Mosiac”, “Batman” and “Fly Killer”)

9. How are these artists similar? How are they different? How do these artists use illusion? Which artist work
do you like better? Why?

10. How does each artist use depth perception and monocular cues to distort our perception? (this is not
answered on the websites, you will need to see pages 246-248 to answer this question)

								
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