thalamus brain anatomy

thalamus brain anatomy thalamic basal ganglia stroke limbic system sensory relay central nervous concept subcortical nuclei neurological disorders substantia nigra subthalamic nucleus globus pallidus internus externus striatum multiple sclerosis motor association cortex cortical surface voluntary movements control learning parkinson 039 disease huntington dystonia anatomical medical health neurology cognitive decline parkinsons huntingtons diencephalon signals neurons