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10-05-2016, 08:28 PM
The bigger the yawn, the bigger the brain, scientists find
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While every STAT story aims to stimulate your cortex, if this one falls short and makes you yawn, you can thank us anyway — at least if a study published Tuesday is right.
If you have a big brain, you can credit yawning for promoting brain growth and activity, the researchers found. And if you have a small brain, you can blame the fact that you don’t yawn long e**ugh.
By “you,” psychologist Andrew Gallup of the State University of New York at Oneonta and his colleagues mean “your species.” In the paper in Biology Letters (http://rsbl.royalsocietypublishing.org/content/12/10/20160545), they report that the average duration of yawns in 109 individuals from 19 species — from humans, African elephants, and walruses to mice, and rabbits, and capuchin monkeys — predicts a species’ brain weight and its number of cortical neurons. Read more... (http://mashable.com/2016/10/05/big-yawn-could-mean-big-brain/?utm_campaign=Mash-Prod-RSS-Feedburner-All-Partial&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial)
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While every STAT story aims to stimulate your cortex, if this one falls short and makes you yawn, you can thank us anyway — at least if a study published Tuesday is right.
If you have a big brain, you can credit yawning for promoting brain growth and activity, the researchers found. And if you have a small brain, you can blame the fact that you don’t yawn long e**ugh.
By “you,” psychologist Andrew Gallup of the State University of New York at Oneonta and his colleagues mean “your species.” In the paper in Biology Letters (http://rsbl.royalsocietypublishing.org/content/12/10/20160545), they report that the average duration of yawns in 109 individuals from 19 species — from humans, African elephants, and walruses to mice, and rabbits, and capuchin monkeys — predicts a species’ brain weight and its number of cortical neurons. Read more... (http://mashable.com/2016/10/05/big-yawn-could-mean-big-brain/?utm_campaign=Mash-Prod-RSS-Feedburner-All-Partial&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial)
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