Studying the behaviour of his brain over a year and a half - with a frequency of twice a week - professor Poldrack from Stanford University was able to notice the changes in 'connectome' -- the way different parts of the brain communicate.

On the days he fasted, Poldrack's brain showed different levels of connectivity from the lack of caffeine, as media reported.

"Easily the biggest factor we found in terms of affecting my brain connectivity was whether I had had breakfast and caffeine or not," Poldrack was quoted as saying.

"That was totally unexpected, but it shows that being caffeinated radically changes the connectivity of your brain," he added.

With low levels of caffeine, the connection between the somatosensory motor network and higher vision grew tighter.

Researchers now want to study the phenomenon in patients with neurological disorders, who may suffer from disrupted connectivity.


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