Barely 1.4 kg or 2% of our body weight, which consumes 20% of its total energy. An organ that communicates (if we oversimplify) with electrical signals, a “Impressive ‘innovation'” born “about 500 million years ago” 2.6m surface area (in an adult male) that only fits within the skull at the cost of complex folding. A gelatinous mass that, while controlling your body’s cascades of biochemical reactions, enables you to climb stairs by solving a math problem. Without a doubt, the human brain is a truly extraordinary object.
From neurons to synapses, white matter (found under the cortex) contains “More than 100,000 km of intersecting communication routes” writes Inserm neuroscientist and research director Paolo Bartolomeo. “How can we find order in this seemingly intractable tangle of cables running in all directions?” It is this challenge that the researcher…
Source: Le Figaro
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