Explained: Why E-Mail Baffles the Elderly
Harvard researchers think they’ve found the protein that stops the growth of new neural connections in adult brains. The more you have of it, the less you are able to learn.
Our theory: George Bush and Donald Rumsfeld have been freebasing this stuff for years.
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The Times (UK):
THEY say that you can?t teach an old dog new tricks. And scientists have discovered why.
Researchers at Harvard Medical School believe that they have found the biological mechanism that makes people become set in their ways as they get older. They have identified a protein that stops new neural connections forming in adult brains.
The link between ageing and intransigence is commonly put down to a combination of world-weariness, experience and impatience. The scientists say that a mechanism involving the protein, called PirB, may explain the change in attitude.
They found that it settled the highly adaptable brains of children into a more stable, less flexible state by adulthood.
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