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Title: Paleocortex  
Author: World Heritage Encyclopedia
Language: English
Subject: Allocortex
Publisher: World Heritage Encyclopedia


Brain: Paleocortex
Latin Palaeocortex
NeuroNames ancil-2336

Paleocortex is a type of cortical tissue that consists of either four or five cortical laminae (layers of neuronal cell bodies).[1] It has fewer laminae than neocortex, which has six, but more than archicortex, which has three. Paleocortex, along with archicortex and periallocortex, is a type of allocortex.[2] Because the number of laminae that compose a type of cortical tissue seems to be directly proportional to both the information-processing capabilities of that tissue and its phylogenetic age, paleocortex is thought to be an intermediate between neocortex and archicortex in both aspects.[1]


Paleocortex is present in the parahippocampal gyrus,[1] olfactory bulb, accessory olfactory bulb, olfactory tubercle, piriform cortex, periamygdalar area,[2] anterior olfactory nucleus, anterior perforated substance, and prepyriform area.

See also

Paralimbic cortex


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