2022
DOI: 10.1007/s00429-022-02548-0
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Homology of neocortical areas in rats and primates based on cortical type analysis: an update of the Hypothesis on the Dual Origin of the Neocortex

Abstract: Sixty years ago, Friedrich Sanides traced the origin of the tangential expansion of the primate neocortex to two ancestral anlagen in the allocortex of reptiles and mammals, and proposed the Hypothesis on the Dual Origin of the Neocortex. According to Sanides, paraolfactory and parahippocampal gradients of laminar elaboration expanded in evolution by addition of successive concentric rings of gradually different cortical types inside the allocortical ring. Rodents had fewer rings and primates had more rings in… Show more

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Cited by 23 publications
(44 citation statements)
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“…The neocortex takes up 90% of the cortex and mostly involves sensory, motor and associative functions. The mesocortical and allocortical areas form a closed ring at the edge of the hemisphere, forming the limbic areas which are found in the frontal, temporal, parietal, and occipital lobes as well as in the insula ( García-Cabezas et al, 2022 ). Functions of the neocortex rely on a complex architecture of neuronal networks that is key in the excitation/inhibition imbalance observed in several neurodevelopmental disorders, including ASD.…”
Section: Discussionmentioning
confidence: 99%
“…The neocortex takes up 90% of the cortex and mostly involves sensory, motor and associative functions. The mesocortical and allocortical areas form a closed ring at the edge of the hemisphere, forming the limbic areas which are found in the frontal, temporal, parietal, and occipital lobes as well as in the insula ( García-Cabezas et al, 2022 ). Functions of the neocortex rely on a complex architecture of neuronal networks that is key in the excitation/inhibition imbalance observed in several neurodevelopmental disorders, including ASD.…”
Section: Discussionmentioning
confidence: 99%
“…Однако в настоящее время доказано, что эволюция разных отрядов млекопитающих проходила независимо и, несмотря на сходство общего плана строения конечного мозга млекопитающих, его развитие в филогенезе проходило в нескольких направлениях. [5,9,12,14,17].…”
Section: Introductionunclassified
“…Остальную часть коры занимает так называемая межуточная кора (мезокортекс), состоящая из периархикортекса, отделяющего новую кору от старой, и перипалеокортекса, отделяющего новую кору от древней. Таким образом новая кора имеет сложное, двойное происхождение на основе более древних структур архи-и палеокортекса, хорошо развитых у предков млекопитающих [7,9,10,14].…”
Section: Introductionunclassified
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