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Thursday, October 19, 2006

If you don't sleep...

you will not learn well the day after...

but, you will still be able to remember bad things.

students deprived of their sleep did perform 40% worse in memory tests than students well rested.

but, and here's the kicker, they did perform only 19% worse in words with negative emotional charge, such as 'cancer' or 'jail', and 59% worse in good things such as 'cookies' and 'holidays'...

I do agree with the authors of the paper, who suggest an evolutionary safeguard mechanism to avoid forgetting threats.

this way, if something bad happened the day before, you still have a chance to avopid it... neat uh?

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