What to Do For a series of nifty online color illusions and their explanations, you can check out a Duke University site from Purves's laboratory. You can also learn more about perception itself. For more on color perception, try these stories from HealthScout . Get Your Medifocus Medguide Research Your Illness Visit our Medcenter and get your Medifocus Guide , trustworthy medical information specifically about your health condition. Bookstore Visit our Parkinson's Disease Bookstore and find books on the latest treatments and remedies for your illness.
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