Putamen
From Wikipedia, the free encyclopedia
| Brain: Putamen | ||
|---|---|---|
 |
||
| Coronal section of brain through anterior commissure. (Putamen labeled at center right.) | ||
 |
||
| Coronal section of brain through intermediate mass of third ventricle. (Putamen labeled at top.) | ||
| Gray's | subject #189 34 | |
| NeuroNames | hier-212 | |
| MeSH | Putamen | |
| Dorlands/Elsevier | p_43/12681480 | |
The putamen is a structure in the middle of the brain, which, together with the caudate nucleus forms the dorsal striatum.
The putamen is a portion of the basal ganglia that forms the outermost part of the lenticular nucleus.
Contents |
[edit] Function
It appears to play a role in reinforcement learning.
[edit] Projections
The motor and somatosensory cortices, the intralaminar nuclei of the thalamus, and the substantia nigra project to the putamen.
The putamen projects to premotor and supplementary motor areas of cortex via the globus pallidus and thalamus.
[edit] Pathology
In lesions of the putamen, the patient's eyes will deviate away from the side of the hemiparesis.
[edit] Additional images
 Horizontal section of right cerebral hemisphere. |
 Brain |
_section_description_2.JPG/120px-Human_brain_frontal_(coronal)_section_description_2.JPG) Human brain frontal (coronal) section |
[edit] See also
[edit] External links
- Roche Lexicon - illustrated navigator, at Elsevier 13048.000-2
- Diagram at uni-tuebingen.de
- Atlas of anatomy at UMich eye_38 - "The Visual Pathway from Below"
|
|||||||||||||||||
