Individual differences |
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|Brain: Cingulate cortex|
|Medial surface of left cerebral hemisphere.|
|Gray's||subject #189 825|
Cingulate cortex can also be differentiated based on its thalamic connections1: Anterior cingulate cortex receives primarily from the midlline and intralaminar nuclei and posterior cingulate cortex receives mainly from the anterior thalamic nuclei.
Cingulum means belt in Latin. The name was likely chosen because this cortex, in great part, surrounds the corpus callosum. Cingulate is an adjective (cingularis or cingulatus). The cingulate cortex is a part of the "grand lobe limbique" of Broca (1898) that consisted (in addition to the olfactory part, which is no more considered there today) of a superior cingulate part, supracallosal; and an inferior hippocampic part, infracallosal. The limbic cortex was separated from the remainder of the cortex by Broca for two reasons: first that it is not convoluted, and second that the gyri are directed parasagitally (contrary to the transverse gyrification). Since the parasagittal gyrification is observed in non-primate species, the limbic lobe was thus declared to be "bestial". As with other parts of the cortex, there have been and continue to be discrepancies concerning boundaries and naming. Brodmann (1909), a student of C. and O.Vogt, who worked on cercopithecus (and not much in human (Bailey and von Bonin)), elaborated a system of numeration that had unfortunately no typological logics (1, 2 and 3 are sensory, 4 is motor, 5 is parietal, 6 is premotor and 7 is again parietal!). Area 25 was even not placed by him in the same place in the human brain. Area 24 (anterior) was distinguished from 23 (posterior) on the basis that it was agranular. More recently, the typographical von Economo's system was adopted by Bailey and von Bonin. Simple typographical naming should be preferred, for evident heuristic purposes.
- Four Regions of Cingulate Cortex and Disease Vulnerability, Brent A. Vogt.
- BrainMaps at UCDavis Cingulate
- Mapping 'self' and 'other' in the brain
- Vogt BA, Rosene DL, Pandya DN, Science 204:205+
|Telencephalon (cerebrum, cerebral cortex, cerebral hemispheres) - edit|
frontal lobe: precentral gyrus (primary motor cortex, 4), precentral sulcus, superior frontal gyrus (6, 8), middle frontal gyrus (46), inferior frontal gyrus (Broca's area, 44-pars opercularis, 45-pars triangularis), prefrontal cortex (orbitofrontal cortex, 9, 10, 11, 12, 47)
temporal lobe: transverse temporal gyrus (41-42-primary auditory cortex), superior temporal gyrus (38, 22-Wernicke's area), middle temporal gyrus (21), inferior temporal gyrus (20), fusiform gyrus (36, 37)
limbic lobe/fornicate gyrus: cingulate cortex/cingulate gyrus, anterior cingulate (24, 32, 33), posterior cingulate (23, 31),
Some categorizations are approximations, and some Brodmann areas span gyri.
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