The ventral anterior nucleus (VA) and ventral lateral nucleus (VL) of the thalamus receive signals from the basal ganglia (BG) and cerebellum and transmit them to the motor cortex.
The VA nucleus receives input from the cerebellum via the dentatothalamic tract and from the BG via the thalamostriate vein. It then projects to the primary motor cortex (M1). The VA nucleus is involved in the control of voluntary movements.
The VL nucleus also receives input from the cerebellum via the cerebellothalamic tract and from the BG via the thalamostriate vein. It projects to various motor areas of the cerebral cortex, including the supplementary motor area (SMA) and premotor cortex (PMC). The VL nucleus is involved in the execution and coordination of movements.
Both the VA and VL nuclei form part of the motor thalamus, which plays a crucial role in the relay of motor information from the BG and cerebellum to the motor cortex.
which of the thalamic nuclei receive signals from BG and cerebellum and transmit to motor cortex
1 answer
1 answer