Scientists decode brain farts

We've all goofed up and flubbed up things we've previously done time and again.

It turns out the root of these brain farts may be a special kind of abnormal brain activity that begins up to 30 seconds before a mistake even happens.

The solution to such screw-ups could be a kind of mind-reading hat, a device to predict and even prevent mindless errors that can threaten lives.

When people blunder after performing the same task over and over, scientists had suspected that such lapses were due to momentary hiccups in concentration. Still, little was known about what the brain was actually doing before such errors.

To investigate further, the brains of volunteers were scanned as they performed a monotonous task — repetitively pushing buttons that matched images flashed at them.


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