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Thursday, May 09, 2002

the eyes have it

"What that means, basically, is that it's hard to speak and think at the same time. Shneiderman says researchers in his computer science lab discovered through controlled experiments that when you tell your computer to "page down" or "italicize that word" by speaking aloud, you're gobbling up precious chunks of memory -- leaving you with little brainpower to focus on the task at hand. It's easier to type or click a mouse while thinking about something else because hand-eye coordination uses a different part of the brain, the researchers concluded."

[link]