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| Brain: Intraparietal sulcus | ||
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| Lateral surface of left cerebral hemisphere, viewed from the side. (Intraparietal sulcus visible at upper right, running horizontally.) | ||
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| Principal fissures and lobes of the cerebrum viewed laterally. (Fissures not labeled, but parietal lobe is colored yellow.) | ||
| Latin | sulcus intraparietalis | |
| Gray's | subject #189 822 | |
| Part of | Parietal lobe | |
| Acronym(s) | IPS | |
| NeuroNames | hier-79 | |
The intraparietal sulcus (IPS) is located on the lateral surface of the parietal lobe, and consists of an oblique and a horizontal portion. The IPS contains a series of functionally distinct subregions that have been intensively investigated using both single cell neurophysiology in primates[1][2] and human functional neuroimaging[3]. Its principal functions are related to perceptual-motor coordination (for directing eye movements and reaching) and visual attention.
The IPS is also thought to play a role in other functions, including processing symbolic numerical information[4], visuospatial working memory [5] and interpreting the intent of others.[6]
Additional images
 Lateral surface of left cerebral hemisphere, viewed from above. |
References
- ^ Colby, C.E., & Goldberg, M.E. (1999). Space and attention in parietal cortex. Annual Review of Neuroscience, 22, 319–349.
- ^ Andersen, R.A. (1989). Visual and eye movement functions of the posterior parietal cortex. Annual Review of Neuroscience, 12, 377–403.
- ^ Culham, J.C. & Kanwisher, N.G. (2001) Neuroimaging of cognitive functions in human parietal cortex. Current Opinion in Neurobiology, 11, 157-63.
- ^ Cantlon J, Brannon E, Carter E, Pelphrey K (2006). "Functional imaging of numerical processing in adults and 4-y-old children.". PLoS Biol 4 (5): e125. doi:. PMID 16594732. link
- ^ Todd JJ & Marois, R (2004). Capacity limit of visual short-term memory in human posterior parietal cortex. Nature, 428, 751-754
- ^ Grafton, Hamilton (2006). "Dartmouth Study Finds How The Brain Interprets The Intent Of Others.". Science Daily.
External links
- Illustrations at ssc.uwo.ca
- intraparietal+sulcus at eMedicine Dictionary
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Wikipedia content modification information:
- This page was last modified on 27 June 2008, at 01:11.
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