VANCOUVER: Contrary to common opinion, daydreaming is not slacking off because when the brain wanders it is working even harder to solve problems, new research has shown.
Scientists scanned the brains of people lying inside magnetic resonance imaging (MRI) machines, as they alternately pushed buttons or rested.
The scans showed that the "default network" deep inside a human brain becomes more active during daydreaming.
But in a surprise finding the scans also revealed intense activity in the executive network, the outlying region of the brain associated with complex problem-solving, said neuroscientist Kalina Christoff.
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