Equal numbers of neuronal and nonneuronal cells make the human brain an isometrically scaled-up primate brain.

@article{Azevedo2009EqualNO,
  title={Equal numbers of neuronal and nonneuronal cells make the human brain an isometrically scaled-up primate brain.},
  author={Frederico A. C. Azevedo and Ludmila R B Carvalho and Lea Tenenholz Grinberg and Jos{\'e} Marcelo Farfel and Renata Eloah Lucena Ferretti and Renata Elaine Paraiso Leite and Wilson Jacob Filho and Roberto Lent and Suzana Herculano-Houzel},
  journal={The Journal of comparative neurology},
  year={2009},
  volume={513 5},
  pages={
          532-41
        }
}

• Frederico A. C. Azevedo, Ludmila R B Carvalho, +6 authors Suzana Herculano-Houzel
• Published in The Journal of comparative neurology 2009
• DOI:10.1002/cne.21974

The human brain is often considered to be the most cognitively capable among mammalian brains and to be much larger than expected for a mammal of our body size. Although the number of neurons is generally assumed to be a determinant of computational power, and despite the widespread quotes that the human brain contains 100 billion neurons and ten times more glial cells, the absolute number of neurons and glial cells in the human brain remains unknown. Here we determine these numbers by using… CONTINUE READING

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