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No Tired Explanation: Yawning May Cool Brain

Evolutionary adaptation keeps the nervous system's motherboard cool

By Heather McPherson,  Newser User

Posted Jul 30, 2007 5:04 PM CDT

(Newser) – Yawning may be less a response to boredom than a natural mechanism for cooling off overheated brains, new research says. The human brain operates optimally when cool, much like a computer, and conditions like fatigue actually cause the organ to heat up, ABC News reports....   Read full story »

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Background

Read the yawning study (PDF)
State University of New York at Albany

Related articles

More on the methodology
New York Times

More on the biology
New Scientist

 
brain research yawning body human fatigue

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