| The term true isocortex, or Isocortex maturus, refers to one of two subdivisions of the neocortex. It is composed of the typical six layered cytoarchitecture. The other subdivision is proisocortex. Defined according to phylogenetic, ontogenetic and cytoarchitectonic criteria, true isocortex is located predominantly in the frontal lobe, the temporal lobe, the parietal lobe, and the occipital lobe; it is present also in parts of the cingulate gyrus, the parahippocampal gyrus and the insula (Stephan-75; Zilles-90). |
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