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((Short description|Sheet of ascending and descending axons below the cerebral cortex of the brain))
((for multi|the structure in embryology|Corona radiata (embryology)|the Nine Inch Nails song|The Slip (album)|the headgear symbolising the Sun|Radiate crown))

((more citations needed|date=January 2014))
((Infobox brain
| Name            = Corona radiata
| Latin           = corona radiata
| Image           = Gray745.png
| Caption         = Dissection showing the course of the cerebrospinal fibers.
| Image2          =
| Caption2        =
| IsPartOf        =
| Components      =
| Artery          =
| Vein            =
))
In [[neuroanatomy]], the '''corona radiata''' is a [[white matter]] sheet that continues inferiorly as the [[internal capsule]] and superiorly as the [[centrum semiovale]]. This sheet of both ascending and descending [[axon]]s carries most of the neural traffic from and to the [[cerebral cortex]]. The corona radiata is associated with the  [[corticopontine fibers|corticopontine tract]], the [[corticobulbar tract]], and the [[corticospinal tract]].

==Structure==
[[Projection fibers]] are afferents carrying information to the [[cerebral cortex]], and efferents carrying information away from it. The most prominent projection fibers are the corona radiata, which radiate out from the cortex and then come together in the [[brain stem]]. The projection fibers that make up the corona radiata also radiate out of the brain stem via the [[internal capsule]]. Cerebral [[white matter]] is commonly regarded today as an intricately organized system of fasciculi that facilitate the highest expression of cerebral activity. 
[[File:Sobo 1909 674.png|200px|thumbnail|right|part of corona radiata pathway on brain]]

==Function==
===Motor pathway===
Evidence from subcortical small infarcts suggests that [[motor fibers]] are [[somatotopically]] arranged in the human corona radiata. Following subtotal brain damage, localization of the corticofugal projection in the corona radiata and [[internal capsule]] can assist in evaluating a patient's residual motor capacity and predicting their potential for functional restitution. Data suggests that the corona radiata and superior capsular lesions may correlate with more favorable levels of functional recovery. Lesions seated inferiorly are likely to correlate with poorer levels of recovery regarding upper limb movement. Findings also suggest that motor deficit severity is likely to increase as a lesion occupies progressively more posterior regions of the internal capsule. ((citation needed|date=January 2014))
[[File:Sobo 1909 675.png|200px|thumbnail|right]]

==Clinical significance==
The [https://monjitomonhiy.buzz/live-corona-cases-update/ corona radiata] may be affected by diseases affecting the cerebral [[white matter]], including ischemic [[leukoencephalopathy]], [[multiple sclerosis]], and progressive [[leukoencephalopathy]]. These may have major effects on intellectual, social, and emotional functioning. ((citation needed|date=January 2014))

In [[normal pressure hydrocephalus]], expansion of the lateral ventricles causes distortion of the fibers of the corona radiata. This contributes to the urinary incontinence seen with NPH.

==Additional images==
<gallery>
 File:Gray682.png|Superficial dissection of brain-stem. Lateral view.
</gallery>

==External links==
((Commons category|Corona radiata))
* ((UMichAtlas|n1a5p3))
* [http://stroke.ahajournals.org/content/38/8/2353.short Somatotopic Organization of Motor Fibers in the Corona Radiata in Monoparetic Patients With Small Subcortical Infarct]
* [https://web.archive.org/web/20150224201304/http://brain.oxfordjournals.org/content/125/1/176.short Localization of arm representation in the corona radiata and internal capsule in the non‐human primate]
* [http://www.neurology.org/content/64/8/1438.short Somatotopically located motor fibers in corona radiata: Evidence from subcortical small infarcts]
* [http://radiology.rsna.org/content/230/1/77.short Fiber Tract–based Atlas of Human White Matter Anatomy]
* [https://books.google.com/books?id=TZdHjQzQttkC&dq=corona+radiata+neuroscience+neuroanatomy&pg=PA2 Color Atlas of Neuroscience: Neuroanatomy and Neurophysiology:Meninges and Tracts] at [[Google Books]]

((Basal ganglia))
((Authority control))

[[Category:Cerebral white matter]]

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