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THE BASIC UNIFORMITY IN STRUCTURE OF THE NEOCORTEX
Abstract
The number of neuronal cell bodies has been counted in a narrow strip (30 micrometers) through the depth of the neocortex in several different functional areas (motor, somatic sensory, area 17, frontal, parietal and temporal and in many species (mouse, rat, cat, monkey and man). With the exception of area 17 of the visual cortex in a number of primates the same absolute number (congruent to 110) of neurons has been found in all areas and in all species. In the binocular part of area 17 of the primates there are approximately 2.5 times more neurons. Thus in mammalian evolution the area of the neocortex increases in larger brains but the number of neurons through the depth remains constant, except in area 17 of primates. From these and other findings it is suggested that the intrinsic structure of the neocortex is basically more uniform than has been thought and that differences in cytoarchitecture and function reflect differences in connections.
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Citations
Cited by
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Logothetis, N. K. (2008) · Nature · doi:10.1038/nature06976 · Cited by 3,612
Specification of Cerebral Cortical Areas
Rakic, P. (1988) · Science · doi:10.1126/science.3291116 · Cited by 3,127
Neuronal Synchrony: A Versatile Code for the Definition of Relations?
Singer, W. (1999) · Neuron · doi:10.1016/s0896-6273(00)80821-1 · Cited by 2,581
How does the brain solve visual object recognition?
DiCarlo, J. J., Zoccolan, D., & Rust, N. C. (2012) · Neuron · doi:10.1016/j.neuron.2012.01.010 · Cited by 1,790
Evolution of the neocortex: a perspective from developmental biology
Rakic, P. (2009) · Nature reviews. Neuroscience · doi:10.1038/nrn2719 · Cited by 1,565
Metadata
- Authors
- ROCKEL, A. J., HIORNS, R. W., & POWELL, T. P. S.
- Venue
- Brain
- Publisher
- Oxford University Press (OUP)
- Published
- 1980
- Volume
- 103
- Issue
- 2
- Pages
- 221-244
- ISSN
- 0006-8950 (ISSN-L)
- 1460-2156
- OpenAlex
- W2106306931
- Cited by
- 896
- References
- 0
- FWCI
- 6.67
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: THE BASIC UNIFORMITY IN STRUCTURE OF THE NEOCORTEX. https://app.cochat.ai/papers/10.1093/brain/103.2.221
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- ROCKEL, A. J., HIORNS, R. W., & POWELL, T. P. S. (1980). THE BASIC UNIFORMITY IN STRUCTURE OF THE NEOCORTEX. Brain. https://doi.org/10.1093/brain/103.2.221
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
