Basal ganglia: A group of nuclei in the brain interconnected with the cerebral cortex, thalamus, and brainstem, involved in movement control and cognitive emotions.
Thalamus:A large mass of gray matter deeply situated in the forebrain at the topmost portion of the diencephalon, responsible for relaying sensory signals to and from the cerebral cortex.
Neurotransmitters:Chemicals found within the nervous system that transmit messages between neurons or from neurons to muscles