Orbitofrontal sulcal and gyrus pattern in human: an anatomical study.

Abstract:

UNLABELLED:The anatomical characterization of the orbitofrontal cortex in human is limited in literature instead of many functional and clinical studies involving it. OBJECTIVE:Anatomically define the orbitofrontal region aiming to possible neurosurgical treatments and unify the scientific nomenclature as well. METHOD:We analyze eighty four human hemispheres using a surgical microscope. Then we chose four hemispheres and dissect them according to Klinger' technique. RESULTS:We found five main sulcus: olfatory sulcus, orbital medial sulcus, orbital lateral sulcus, orbital transverse sulcus and orbital intermediate sulcus. These sulcus, excluding the intermediate sulcus, delimit five gyrus: rectus gurys, orbital medial gyrus, orbital anterior gyrus, orbital lateral gyrus and orbital posterior gyrus. The main sulcal configuration can be divided on four more frequently patterns. CONCLUSION:Orbitofrontal cortex is associated with many psychiatric disorders. Better anatomical and functional characterization of the orbitofrontal cortex and its connections will improve our knowledge about these diseases.

journal_name

Arq Neuropsiquiatr

authors

Rodrigues TP,Rodrigues MA,Paz Dde A,Costa MD,Centeno RS,Chaddad Neto FE,Cavalheiro S

doi

10.1590/0004-282X20150048

subject

Has Abstract

pub_date

2015-05-01 00:00:00

pages

431-5

issue

5

eissn

0004-282X

issn

1678-4227

pii

S0004-282X2015000500011

journal_volume

73

pub_type

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