Why Thalamus Is Called Relay Station?

The thalamus is connected to the brainstem and thus receives sensory signals from the rest of the body. It also has connections to all cortical areas, to which it sends signals as well as receives them, which is why it is often described as a 'relay' station.

What does the thalamus relay?

Generally, the thalamus acts as a relay station filtering information between the brain and body. Except for olfaction, every sensory system has a thalamic nucleus that receives, processes, and sends information to an associated cortical area.

What is a relay station in the brain?

Summary: The relay station of the brain, the substantia nigra, consists of different types of nerve cells and is responsible for controlling the execution of diverse movements. ... Like a relay station, this region receives and distributes signals in order to appropriately orchestrate the execution of a desired movement.