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Medial pulvinar nucleus

From Wikipedia, the free encyclopedia

Medial pulvinar nucleus
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Medial pulvinar nucleus (nucleus pulvinaris medialis) is one of four traditionally anatomically distinguished nuclei of the pulvinar of the thalamus. The other three nuclei of the pulvinar are called lateral, inferior and anterior pulvinar nuclei.

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Connections

Afferent

Efferent

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Functions

  • Medial pulvinar nucleus, together with its lateral and inferior nuclei, is thought to be important for the initiation and compensation of saccadic movements of the eyes.[1][2] Those nuclei also participate in the visual attention regulation.[4][5]
  • Medial pulvinar nucleus is also thought to participate in the process of integration and association of information received from different sensory modalities (multisensory or multimodal integration), and also in the process of integration and coordination of sensor input and its corresponding motor response (sensorimotor integration).[3]
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Clinical significance

Lesions of the medial pulvinar nucleus can result in neglect syndromes and attentional deficits[6] while preserved connectivity to the medial pulvinar has been implicated in blindsight abilities.[7]

References

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