Ectorhinal Area 36
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Brodmann area 35, together with Brodmann area 36, comprise the
perirhinal cortex The perirhinal cortex is a cortical region in the medial temporal lobe that is made up of Brodmann areas 35 and 36. It receives highly processed sensory information from all sensory regions, and is generally accepted to be an important region ...
. They are cytoarchitecturally defined temporal regions of the
cerebral cortex The cerebral cortex, also known as the cerebral mantle, is the outer layer of neural tissue of the cerebrum of the brain in humans and other mammals. The cerebral cortex mostly consists of the six-layered neocortex, with just 10% consisting o ...
.


Human Brodmann area 35

This area is known as perirhinal area 35. It is a subdivision of the cytoarchitecturally defined hippocampal region of the
cerebral cortex The cerebral cortex, also known as the cerebral mantle, is the outer layer of neural tissue of the cerebrum of the brain in humans and other mammals. The cerebral cortex mostly consists of the six-layered neocortex, with just 10% consisting o ...
. In the human it is located along the
rhinal sulcus In the human brain, the entorhinal cortex appears as a longitudinal elevation anterior to the parahippocampal gyrus, with a corresponding internal furrow, the external rhinal sulcus (or rhinal fissure), separating it from the inferiolateral surface ...
. Cytoarchitectually it is bounded medially by the entorhinal area 28 and laterally by the ectorhinal area 36 (H).


Monkey Brodmann area 35

Brodmann found a cytoarchitecturally
homologous Homology may refer to: Sciences Biology *Homology (biology), any characteristic of biological organisms that is derived from a common ancestor *Sequence homology, biological homology between DNA, RNA, or protein sequences * Homologous chrom ...
area in the monkey (
Cercopithecus The guenons (, ) are Old World monkeys of the genus ''Cercopithecus'' (). Not all members of this genus have the word "guenon" in their common names; also, because of changes in scientific classification, some monkeys in other genera may have co ...
), but it was so weakly developed that he omitted it from the cortical map of that species (Brodmann-1909).


Brodmann area 36

With its medial boundary corresponding approximately to the
rhinal sulcus In the human brain, the entorhinal cortex appears as a longitudinal elevation anterior to the parahippocampal gyrus, with a corresponding internal furrow, the external rhinal sulcus (or rhinal fissure), separating it from the inferiolateral surface ...
it is located primarily in the
fusiform gyrus The fusiform gyrus, also known as the ''lateral occipitotemporal gyrus'','' ''is part of the temporal lobe and occipital lobe in Brodmann area 37. The fusiform gyrus is located between the lingual gyrus and parahippocampal gyrus above, and t ...
. Cytoarchitecturally it is bounded laterally and caudally by the
inferior temporal area 20 Brodmann area 20, or BA20, is part of the temporal cortex in the human brain. The region encompasses most of the ventral temporal cortex, a region believed to play a part in high-level visual processing and recognition memory. This area is also ...
, medially by the area 35 and rostrally by the temporopolar area 38 (H) (Brodmann-1909). Its function is part of the formation/
consolidation Consolidation may refer to: In science and technology * Consolidation (computing), the act of linkage editing in computing * Memory consolidation, the process in the brain by which recent memories are crystallised into long-term memory * Pulmon ...
and retrieval of declarative/
hippocampal The hippocampus (via Latin from Greek , 'seahorse') is a major component of the brain of humans and other vertebrates. Humans and other mammals have two hippocampi, one in each side of the brain. The hippocampus is part of the limbic system, an ...
memory Memory is the faculty of the mind by which data or information is encoded, stored, and retrieved when needed. It is the retention of information over time for the purpose of influencing future action. If past events could not be remembered ...
amongst others for faces.


See also

*
Brodmann area A Brodmann area is a region of the cerebral cortex, in the human or other primate brain, defined by its cytoarchitecture, or histological structure and organization of cells. History Brodmann areas were originally defined and numbered by ...


References


External links

* For Neuroanatomy of this area se
BrainInfo
{{Prosencephalon 35 Medial surface of cerebral hemisphere