Cortical column/Bibliography: Difference between revisions
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*{{CZ:Ref:Rakic 2008 Confusing cortical columns}} | *{{CZ:Ref:Rakic 2008 Confusing cortical columns}} | ||
*{{CZ:Ref:Herculano-Houzel 2008 The basic nonuniformity of the cerebral cortex}} | |||
*{{CZ:Ref:Rakic 2007 The radial edifice of cortical architecture: from neuronal silhouettes to genetic engineering}} | *{{CZ:Ref:Rakic 2007 The radial edifice of cortical architecture: from neuronal silhouettes to genetic engineering}} | ||
*{{CZ:Ref:Rockel 1980 The Basic Uniformity in Structure of the Neocortex}} | |||
*Vernon Mountcastle (1978), "An Organizing Principle for Cerebral Function: The Unit Model and the Distributed System", The Mindful Brain (Gerald M. Edelman and Vernon B. Mountcastle, eds.) Cambridge, MA: MIT Press. | *Vernon Mountcastle (1978), "An Organizing Principle for Cerebral Function: The Unit Model and the Distributed System", The Mindful Brain (Gerald M. Edelman and Vernon B. Mountcastle, eds.) Cambridge, MA: MIT Press. | ||
Revision as of 11:01, 13 January 2009
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- Rakic, Pasko (2008), "Confusing cortical columns", Proceedings of the National Academy of Sciences 105 (34): 12099-12100, DOI:10.1073/pnas.0807271105 [e]
- Provides a commentary on Herculano-Houzel et al. (2008) and Rockel at al. (1980), citing the former as a convincing (albeit not surprising) refutation of the latter in which the cortical architecture was assumed to be basically uniform within a brain and across mammalian species.
- Herculano-Houzel, S.; C.E. Collins & P. Wong et al. (2008), "The basic nonuniformity of the cerebral cortex", Proceedings of the National Academy of Sciences 105 (34): 12593-12598, DOI:10.1073/pnas.0805417105 [e]
- Directly contradicts Rockel et al. (1980) by showing that the number of neurons per unit surface area of neocortex is not constant across mammals but instead varies about three-fold among primates.
- Rakic, P. (2007), "The radial edifice of cortical architecture: from neuronal silhouettes to genetic engineering", Brain Research Reviews 55: 204-219, DOI:10.1016/j.brainresrev.2007.02.010 [e]
- Rockel, A. J.; R. W. Hiorns & T. P. S. Powell (1980), "The Basic Uniformity in Structure of the Neocortex", Brain 103 (2): 221–244, DOI:10.1093/brain/103.2.221 [e]
- A well-cited paper concluding 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."
- The cerebral cortex is organized in columns which are commonly referred to (in a wide variety of contexts) as cortical columns, though ontogentic columns (Rakic 1988) would be more precise
- The number of neurons underneath equally sized patches of cortical surface area is approximately identical (around 147,000 per ) across mammalian species, with the exception of the primary visual cortex in primates.
- Point number 3 has been refuted by a number of studies (e.g. Herculano-Houzel et al., 2008; see also references therein), as summarized by Rakic 2008.
- Vernon Mountcastle (1978), "An Organizing Principle for Cerebral Function: The Unit Model and the Distributed System", The Mindful Brain (Gerald M. Edelman and Vernon B. Mountcastle, eds.) Cambridge, MA: MIT Press.