Gannon, who has studied the planum temporale in chimps, says a combined auditory and visual language center for humans jibes with the way the primates communicate. What To Do To learn more about sign languages, try HandSpeak , or you can check out this article in the American Scientist . Read other HealthScout articles about the deaf . 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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