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Lateral pulvinar nucleus
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| Lateral pulvinar nucleus | |
|---|---|
 Hind- and mid-brains; postero-lateral view. (Pulvinar visible near top.) | |
 Thalamic nuclei: MNG = Midline nuclear group AN = Anterior nuclear group MD = Medial dorsal nucleus VNG = Ventral nuclear group VA = Ventral anterior nucleus VL = Ventral lateral nucleus VPL = Ventral posterolateral nucleus VPM = Ventral posteromedial nucleus LNG = Lateral nuclear group PUL = Pulvinar MTh = Metathalamus LG = Lateral geniculate nucleus MG = Medial geniculate nucleus | |
| Details | |
| Part of | pulvinar |
| Identifiers | |
| Latin | nucleus pulvinaris lateralis |
| Anatomical terms of neuroanatomy | |
Lateral pulvinar nucleus (nucleus pulvinaris lateralis) is one of four traditionally anatomically distinguished nuclei of the pulvinar of the thalamus. The other three nuclei of the pulvinar are called anterior, inferior and medial pulvinar nuclei.
Connections
[edit]Afferent
[edit]- Lateral pulvinar nucleus, together with its inferior and medial nuclei, receives afferent input from superior colliculus.[1][2]
- The dorsal part of the lateral pulvinar nucleus also receives afferent input from posterior parietal cortex and the dorsal stream cortical areas.[1][2]
Efferent
[edit]- Lateral pulvinar nucleus, together with its inferior nucleus, both have projections to the early visual cortical areas.[1][2]
- The dorsal part of the lateral pulvinar nucleus also sends its efferent output connections to the posterior parietal cortex and the dorsal stream cortical areas.[1][2]
Functions
[edit]Clinical significance
[edit]Lesions of the lateral pulvinar nucleus can result in neglect syndromes and attentional deficits.[5]
References
[edit]- ^ a b c d e Berman R.; Wurtz R. (2011). "Signals conveyed in the pulvinar pathway from superior colliculus to cortical area mt". The Journal of Neuroscience. 31 (2): 373–384. doi:10.1523/jneurosci.4738-10.2011. PMC 6623455. PMID 21228149.
- ^ a b c d e Robinson D.; Petersen S. (1985). "Responses of pulvinar neurons to real and self-induced stimulus movement". Brain Research. 338 (2): 392–394. doi:10.1016/0006-8993(85)90176-3. PMID 4027606. S2CID 7547426.
- ^ Petersen S.; Robinson D.; Morris J. (1987). "Contributions of the pulvinar to visual spatial attention". Neuropsychologia. 25 (1): 97–105. doi:10.1016/0028-3932(87)90046-7. PMID 3574654. S2CID 23143322.
- ^ Chalupa, L. (1991). Visual function of the pulvinar. The Neural Basis of Visual Function. CRC Press, Boca Raton, Florida, pp. 140-159.
- ^ Arend I.; Rafal R.; Ward R. (2008). "Spatial and temporal deficits are regionally dissociable in patients with pulvinar lesions". Brain. 131 (8): 2140–2152. doi:10.1093/brain/awn135. PMID 18669494.
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