Ventral posterior nucleus

The ventral posterior nucleus is the somato-sensory relay nucleus in thalamus of the brain.

Ventral posterior nucleus
Thalamic nuclei
Details
Part ofThalamus
Identifiers
LatinNucleus ventralis posterior thalami
NeuroNames343
NeuroLex IDbirnlex_1116
Anatomical terms of neuroanatomy

Input and output

The ventral posterior nucleus receives neuronal input from the medial lemniscus, spinothalamic tracts, and trigeminothalamic tract. It projects to the somatosensory cortex and the ascending reticuloactivation system.

Subdivisions

The ventral posterior nucleus is divided into:

Function

Functions in touch, body position, pain, temperature, itch, taste, and arousal. Modulates tremor in certain pathology.

Additional images

References

  1. Deiber, MP (1993). "Thalamic stimulation and suppression of parkinsonian tremor". Brain. 116 (1): 267–79. doi:10.1093/brain/116.1.267. PMID 8453462.


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