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Brain energetics and evolution

  • Paul Bach-y-Rita (a1) and Gaetano L. Aiello (a2)
  • DOI: http://dx.doi.org/10.1017/S0140525X01243957
  • Published online: 01 April 2001
Abstract

The human brain does not use more energy than the smaller brains of animals of comparable corporal weight. Uniquely, human functions localized largely in parts of the human brain that show greatest size increase over other animals may be mediated primarily by nonsynaptic neurotransmission, with reduced energy cost per kilogram of brain. This may affect the energetic constraints on evolution.

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Behavioral and Brain Sciences
  • ISSN: 0140-525X
  • EISSN: 1469-1825
  • URL: /core/journals/behavioral-and-brain-sciences
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