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Dendritic architecture of the von Economo neurons.

The von Economo neurons are one of the few known specializations to hominoid cortical microcircuitry. Here, using a Golgi preparation of a human postmortem brain, we describe the dendritic architecture of this unique population of neurons. We have found that, in contrast to layer 5 pyramidal neurons, the von Economo neurons have sparse dendritic trees and symmetric apical and basal components. This result provides the first detailed anatomical description of a neuron type unique to great apes and humans.

Pubmed ID: 16797136

Authors

  • Watson KK
  • Jones TK
  • Allman JM

Journal

Neuroscience

Publication Data

September 1, 2006

Associated Grants

  • Agency: NICHD NIH HHS, Id: N01-HD-4-3368

Mesh Terms

  • Adult
  • Analysis of Variance
  • Cell Count
  • Cerebral Cortex
  • Dendrites
  • Humans
  • Male
  • Neurons
  • Pyramidal Cells
  • Silver Staining