WOROI: 255 - Superior colliculus
 
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WOROI: 255 - Superior colliculus

Left and right areas on the back side (dorsal) of the midbrain in the brain stem. They are involved in visual processing.

Abbreviation: SC

Variation: Colliculus superior
Variation: Colliculi superiores
Variation: Optic tectum

External databases

MeSH UID: D013477
BrainInfo: 456
CoCoMac: BD77-SC BK98-SC BR75-SC BR76-SC BS83-SC G82-SC GM-SC KH88-SC LSB86-SC PHT00-SC SQK00-SC UDGM84-SC WBU93-SC RAP87-SuC C34-sup.col.
Wikipedia: Superior colliculus

Taxonomy

ParentsSiblingsChildren
Colliculi
Tectum
   

Talairach coordinates

  x     y     z   Lobar anatomy WOBIB WOEXP
-3 -26 -4 Superior colliculus 3 6
6 -32 4 Right superior colliculus 24 77
-4 -37 -5 Superior colliculus (medial) 82 260

Summary

  x     y     z   Description
-3 -32 -4 Mean coordinate in left hemisphere
6 -32 4 Mean coordinate in right hemisphere
4 -32 -1 Mean coordinate with ignored left/right
3 -37 -5 Minimum coordinate with ignored left/right
6 -26 4 Maximum coordinate with ignored left/right
2 5 5 Standard deviation with ignored left/right
corner cube of WOROI: 255 - Superior colliculus

Text contexts

The superior colliculus showed prominent activation in the search versus eye movement contrast, demonstrating, for the first time in humans, activation of this region specifically related to an exploratory attentional contingencyDarren R. Gitelman; Todd B. Parrish; Karl J. Friston; M-Marsel Mesulam. Functional anatomy of visual search: regional segregations within the frontal eye fields and effective connectivity of the superior colliculus. NeuroImage 15(4):970-82, 2002. PMID: 11906237. DOI: 10.1006/nimg.2001.1006. WOBIB: 3.
An analysis of effective connectivity demonstrated that the search-dependent variance in the activity of the superior colliculus was significantly influenced by the activity in a network of cortical regions including the right frontal eye fields and bilateral parietal and occipital corticesDarren R. Gitelman; Todd B. Parrish; Karl J. Friston; M-Marsel Mesulam. Functional anatomy of visual search: regional segregations within the frontal eye fields and effective connectivity of the superior colliculus. NeuroImage 15(4):970-82, 2002. PMID: 11906237. DOI: 10.1006/nimg.2001.1006. WOBIB: 3.
Enhanced haemodynamic responses during attentive conditions defined an occipitoparietofrontal system, including sensory and association areas, as well as the medial thalamus and superior colliculusChristian Büchel; Oliver Josephs; G. Rees; R. Turner; C. D. Frith; Karl J. Friston. The functional anatomy of attention to visual motion. A functional MRI study. Brain 121 ( Pt 7):1281-94, 1998. PMID: 9679780. WOBIB: 24.
We observed an interaction between the predictability of stimuli and self-generated actions in several areas, including the medial posterior cingulate cortex, left insula, dorsomedial thalamus, superior colliculus and right inferior temporal cortexS. J. Blakemore; G. Rees; C. D. Frith. How do we predict the consequences of our actions? A functional imaging study. Neuropsychologia 36(6):521-9, 1998. PMID: 9705062. WOBIB: 82.

Text count

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Roi -> Alphabetic | Hammers | Tzourio-Mazoyer | Svarer | Top | Functional areas | Brodmann areas ]
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