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- Basics
- Anatomy
The Paleocortex
In the beginning was smell: the oldest part of the cerebrum deals with sniffing.
01.10.2025
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- Glossary
Paleocortex
The paleocortex is a phylogenetically very old part of the telencephalon, which together with the olfactory bulb forms the olfactory brain. The paleocortex differs from the isocortex in that it does not have a six-layer structure.
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- Basics
- Anatomy
The Cortex
The brain's control center, seat of perception, consciousness, and behavior
20.09.2025
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- Glossary
Allocortex
A phylogenetically ancient region of the cortex (cerebral cortex) which, unlike the isocortex (also called neocortex), has fewer than six cell layers – in the hippocampus, for example, only three. The allocortex is divided into the paleocortex and archicortex, as well as the periallocortex, which is a transitional form between the allocortex and isocortex.
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- Glossary
Olfactory cortex
The olfactory cortex comprises the structures of the cerebrum that are responsible for processing olfactory information. The primary olfactory cortex is the prepiriform cortex, an evolutionarily ancient part of the cortex (paleocortex) with a three-layer structure.
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Glossary
15.03.2017
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- Percieve
- Smell & Taste
The Anatomy of Fragrance
Olfactory cells extend directly into the olfactory bulb of the brain, where the scent is assembled.
06.08.2018
