February 29, 2012

Our Brains Are Missing 14 Billion Neurons

James Randerson, Guardian


AP Photo

How many neurons are there in the human brain? It was a question that scientists thought they had nailed – and the answer was 100bn (give or take). If you went looking you would find that figure repeated widely in the neuroscience literature and beyond.

But when a researcher in Brazil called Dr Suzana Herculano-Houzel started digging, she discovered that no one in the field could actually remember where the 100bn figure had come from – let alone how it had been arrived at.

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TAGGED: Brain, Neurons

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