Neuroscientist says he’s solved the mystery of why our brains use so much energy

There’s much about the brain we still have to discover, and one of the unanswered questions surrounding this most vital of organs is how it uses up most of its energy. The brain claims around 20 percent of the total oxygen used to fuel our bodies, yet we don’t know where most of that goes. Now an IBM researcher thinks he might have solved the mystery. James Kozloski, who works as a computer neuroscientist at IBM’s Thomas J. Watson Research Centre, says the brain is constantly looping signals through established pathways – pathways that can be thought of as city street maps for our minds. The brain repeatedly retraces its steps through these pathways, covering three different areas of functionality: sensory (what’s currently happening), behavioural (what we can do about…


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