For decades, neuroscientists have offered opposing theories for how our brains process the risks and rewards of daily life. Some thought our brains dedicate the most energy into managing everyday realities. Others have thought our brains fire up when we’re thrown something unexpected.

Now we have an answer. And it might make you re-think how you live.

Today, science reporter Angus Dalton on findings by researchers from the University of Sydney, published in The Journal of Neuroscience, that might help explain how our brains are functioning, in this age of information overload.