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Human Brain Has Lesser Number of Cells Than Thought

by VR Sreeraman on  March 4, 2012 at 8:24 PM Research News   - G J E 4
A researcher in Brazil has found that the number of neurons a human brain contains is not 100 billion as previously thought.

Humans actually have 86 billion - according to neuroscientist Suzana Herculano-Houzel, the Daily Mail reported Friday.
 Human Brain Has Lesser Number of Cells Than Thought
Human Brain Has Lesser Number of Cells Than Thought
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She found out the true figure in a rather grisly manner - by turning four brains into "brain soup" and counting the number of cell nuclei belonging to neurons.

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The brains belonged to four adult males aged 50, 51, 54 and 71 who donated them to science - and none had died of a neurological disease.

Herculano-Houzel told Nature: "We found that on average the human brain has 86 billion neurons. And not one that we looked at so far has the 100 billion."

Source: IANS
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