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[[Image:Gray727.png|thumb|300px|[[Gray's Anatomy|Gray's]] Fig. 727 - Medial surface of left cerebral hemisphere. ("Hippocampal gyrus" visible near bottom.)]]
 
[[Image:Gray727.png|thumb|300px|[[Gray's Anatomy|Gray's]] Fig. 727 - Medial surface of left cerebral hemisphere. ("Hippocampal gyrus" visible near bottom.)]]
 
The '''parahippocampal gyrus''' (or '''hippocampal gyrus''') is a [[grey matter]] [[cerebral cortex|cortical]] region of the [[brain]] that surrounds the [[hippocampus]]. This region plays an important role in the formation and retrieval of [[topographic | topographical]] [[memory]]. The parahippocampal place area (PPA) is a subregion of the parahippocampal gyrus that plays an important role in [[memory]] of scenes (rather than faces or objects).
 
The '''parahippocampal gyrus''' (or '''hippocampal gyrus''') is a [[grey matter]] [[cerebral cortex|cortical]] region of the [[brain]] that surrounds the [[hippocampus]]. This region plays an important role in the formation and retrieval of [[topographic | topographical]] [[memory]]. The parahippocampal place area (PPA) is a subregion of the parahippocampal gyrus that plays an important role in [[memory]] of scenes (rather than faces or objects).
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{{Limbic system}}
 
{{Limbic system}}
 
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{{Prosencephalon}}
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[[Category:Cerebrum]]
 
[[Category:Cerebrum]]
 
[[Category:Neuroanatomy]]
 
[[Category:Neuroanatomy]]

Revision as of 18:16, December 4, 2006

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Gray727

Gray's Fig. 727 - Medial surface of left cerebral hemisphere. ("Hippocampal gyrus" visible near bottom.)

The parahippocampal gyrus (or hippocampal gyrus) is a grey matter cortical region of the brain that surrounds the hippocampus. This region plays an important role in the formation and retrieval of topographical memory. The parahippocampal place area (PPA) is a subregion of the parahippocampal gyrus that plays an important role in memory of scenes (rather than faces or objects).

External links


Human brain: Limbic system
Amygdala - Cingulate gyrus - Fornicate gyrus - Hippocampus - Hypothalamus - Mammillary body - Nucleus accumbens - Orbitofrontal cortex - Parahippocampal gyrus
Telencephalon (cerebrum, cerebral cortex, cerebral hemispheres) - edit

primary sulci/fissures: medial longitudinal, lateral, central, parietoöccipital, calcarine, cingulate

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)

parietal lobe: postcentral sulcus, postcentral gyrus (1, 2, 3, 43), superior parietal lobule (5), inferior parietal lobule (39-angular gyrus, 40), precuneus (7), intraparietal sulcus

occipital lobe: primary visual cortex (17), cuneus, lingual gyrus, 18, 19 (18 and 19 span whole lobe)

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),
isthmus (26, 29, 30), parahippocampal gyrus (piriform cortex, 25, 27, 35), entorhinal cortex (28, 34)

subcortical/insular cortex: rhinencephalon, olfactory bulb, corpus callosum, lateral ventricles, septum pellucidum, ependyma, internal capsule, corona radiata, external capsule

hippocampal formation: dentate gyrus, hippocampus, subiculum

basal ganglia: striatum (caudate nucleus, putamen), lentiform nucleus (putamen, globus pallidus), claustrum, extreme capsule, amygdala, nucleus accumbens

Some categorizations are approximations, and some Brodmann areas span gyri.

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