Biology:Superior parietal lobule
| Superior parietal lobule | |
|---|---|
 Lateral surface of left cerebral hemisphere, viewed from the side. (Superior parietal lobule is shown in orange.) | |
 Lateral surface of left cerebral hemisphere, viewed from above. (Superior parietal lobule is shown in orange.) | |
| Details | |
| Identifiers | |
| Latin | lobulus parietalis superior |
| Anatomical terms of neuroanatomy | |
The superior parietal lobule is bounded in front by the upper part of the postcentral sulcus, but is usually connected with the postcentral gyrus above the end of the sulcus. The superior parietal lobule contains Brodmann's areas 5 and 7.
Behind it is the lateral part of the parietooccipital fissure, around the end of which it is joined to the occipital lobe by a curved gyrus, the arcus parietooccipitalis. Below, it is separated from the inferior parietal lobule by the horizontal portion of the intraparietal sulcus.
The superior parietal lobule is involved with spatial orientation,[1] and receives a great deal of visual input as well as sensory input from one's hand.[2] In addition to spatial cognition and visual perception, it has also been associated with reasoning, working memory, and attention.[3]
It is also involved with other functions[vague] of the parietal lobe in general.
There are major white matter pathway connections with the superior parietal lobule such as the Cingulum, SLF I, superior parietal lobule connections of the Medial longitudinal fasciculus and other newly described superior parietal white matter connections.[4][5]
Damage to the superior parietal lobule can cause contralateral astereognosis and hemispatial neglect. It is also associated with deficits on tests involving the manipulation and rearrangement of information in working memory, but not on working memory tests requiring only rehearsal and retrieval processes.[6]
Additional images
Position of superior parietal lobule (shown in red).
Superior parietal lobule (shown in red).
Superior parietal lobule is labeled at upper left.
Drawing to illustrate the relations of the brain to the skull.
Lateral view of a human brain, main gyri labeled.
Cerebrum. Lateral view. Deep dissection.
Cerebrum. Lateral view. Deep dissection.
Cerebrum. Lateral view. Deep dissection.
Superior parietal lobule highlighted in green on coronal T1 MRI images
Superior parietal lobule highlighted in green on sagittal T1 MRI images
Superior parietal lobule highlighted in green on transversal T1 MRI images
References
- ↑ "Superior parietal lobe". Sylvius Project. Pyramis Studios, Inc.. http://www.sylvius.com/index/s/superior_parietal_lobule.html.
- ↑ "Vision for action: thalamic and cortical inputs to the macaque superior parietal lobule". Brain Structure & Function 226 (9): 2951–2966. December 2021. doi:10.1007/s00429-021-02377-7. PMID 34524542.
- ↑ "Convergent functional architecture of the superior parietal lobule unraveled with multimodal neuroimaging approaches". Human Brain Mapping 36 (1): 238–257. January 2015. doi:10.1002/hbm.22626. PMID 25181023.
- ↑ "Decoding the superior parietal lobule connections of the superior longitudinal fasciculus/arcuate fasciculus in the human brain". Neuroscience 277: 577–583. September 2014. doi:10.1016/j.neuroscience.2014.07.035. PMID 25086308.
- ↑ "Tracing superior longitudinal fasciculus connectivity in the human brain using high resolution diffusion tensor tractography". Brain Structure & Function 219 (1): 269–281. January 2014. doi:10.1007/s00429-012-0498-y. PMID 23288254.
- ↑ "Superior parietal cortex is critical for the manipulation of information in working memory". The Journal of Neuroscience 29 (47): 14980–14986. November 2009. doi:10.1523/JNEUROSCI.3706-09.2009. PMID 19940193.
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