Image of the basal ganglia (blue region), a set of structures that are important for movement. The basal ganglia is involved in Parkinson's Disease (this brain region has too little dopamine in this disorder).

Image of the limbic system (maroon region), a set of brain structures that includes the amygdala ad the hippocampus. The amygdala is involved in emotion (especially fear), and the hippocampus is involved in memory. Some patients with amnesia, a memory loss, have had damage to the hippocampus.