Gyri

... matter, focal pseudolaminer necrosis of the IIIrd and IVth cortical layers was predominantly noticed in the calcarine cortex, pre- and postcentral gyri and transverse temporal cortex. However, the cortical architecture of the Ammon's horn, arterial boundary zones and depths and sides of sulci was ...

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It's true that intelligent people consume more amount of glucose in Brain and it is based on the number of convolusions (Gyri&Sulci) and due to the presence of large number of convolusions they will be having more amount of neurons recruited..........

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