whose cortical column would that be?
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ID: 256957
2010
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Abstract
The cortical column has been an invaluable concept to explain the functional organization of the neocortex. While this idea was born out of experiments that cleverly combined electrophysiological recordings with anatomy, no one has ‘seen’ the anatomy of a column. All we know is that when we record through the cortex of primates, ungulates, and carnivores in a trajectory perpendicular to its surface there is a remarkable constancy in the receptive field properties of the neurons regarding one set of stimulus features. There is no obvious morphological analogue for this functional architecture, in fact much of the anatomical data seems to challenge it. Here we describe historically the origins of the concept of the cortical column and the struggles of the pioneers to define the columnar architecture. We suggest that in the concept of a ‘canonical circuit’ we may find the means to reconcile the structure of neocortex with its functional architecture. The canonical microcircuit respects the known connectivity of the neocortex, and it is flexible enough to transiently change the architecture of its network in order to perform the required computation.
| Reference Key |
costa2010frontierswhose
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|---|---|
| Authors | ;Nuno Miguel M Amorim Da Costa;Kevan Martin |
| Journal | Journal of medical systems |
| Year | 2010 |
| DOI |
10.3389/fnana.2010.00016
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| URL | |
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