Rahul Sharma

Ventral lateral nucleus

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NeuroNames  hier-320
Ventral lateral nucleus
NeuroLex ID  Ventral lateral nucleus

The ventral lateral nucleus (VL) is a nucleus of the thalamus.

Contents

Inputs and outputs

It receives neuronal inputs from the basal nuclei which includes the substantia nigra and the globus pallidus (via the thalamic fasciculus). It also has inputs from the cerebellum (via the dentatothalamic tract).

It sends neuronal output to the primary motor cortex and premotor cortex.

The ventral lateral nucleus in the thalamus forms the motor functional division in the thalamic nuclei along with the ventral anterior nucleus. The ventral lateral nucleus receives motor information from the cerebellum and the globus pallidus. Output from the ventral lateral nucleus then goes to the primary motor cortex.

Functions

The function of the ventral lateral nucleus is to target efferents including the motor cortex, premotor cortex, and supplementary motor cortex. Therefore, its function helps the coordination and planning of movement. It also plays a role in the learning of movement.

Clinical significance

A lesion of the VL has been associated with synesthesia.

References

Ventral lateral nucleus Wikipedia


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