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Individual differences |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |
Biological: Behavioural genetics · Evolutionary psychology · Neuroanatomy · Neurochemistry · Neuroendocrinology · Neuroscience · Psychoneuroimmunology · Physiological Psychology · Psychopharmacology (Index, Outline)
|Medial surface of left cerebral hemisphere. (Cuneus visible at left as orange.)|
|Medial view of a halved human brain|
|Artery||posterior cerebral artery|
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Please help improve this article by adding reliable references. Unsourced material may be challenged and removed. (November 2009)
- Cuneus (Latin for "wedge"; plural, cunei) is also the architectural term applied to the wedge-shaped divisions of the Roman theatre separated by the scalae or stairways; see Vitruvius v. 4. This shape also occurred in Middle Age architecture
The cuneus is a portion of the human brain in the occipital lobe.
The cuneus (Brodmann area 17) receives visual information from the contralateral superior retina representing the inferior visual field. It is most known for its involvement in basic visual processing. Pyramidal cells in the cuneus (striate cortex) project to extrastriate cortices (BA 18,19). The mid-level visual processing that occurs in the extrastriate projection fields of the cuneus are modulated by extraretinal effects, like attention, working memory, and reward expectation.
In addition to its traditional role as a site for basic visual processing, gray matter volume in the cuneus is associated with better inhibitory control in bipolar depression patients. Pathologic gamblers have higher activity in the dorsal visual processing stream including the cuneus relative to controls.
- ↑ Haldane M, Cunningham G, Androutsos C, Frangou S (March 2008). Structural brain correlates of response inhibition in Bipolar Disorder I. Journal of Psychopharmacology 22 (2): 138–43.
- ↑ Crockford DN, Goodyear B, Edwards J, Quickfall J, el-Guebaly N (November 2005). Cue-induced brain activity in pathological gamblers. Biological Psychiatry 58 (10): 787–95.
|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.
Sensory system: Visual system and eye movement pathways
|Muscles of orbit||
This article incorporates text from the Encyclopædia Britannica, Eleventh Edition, a publication now in the public domain.
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