In his scheme, the limbic system evolved alongside the developing social complexity of the mammals.
One limbic structure affected by this early maldevelopment is the amygdala, which generates emotions like fear.
The middle region, the limbic system, controls docile, loving emotions.
limbic lim·bic (lĭm'bĭk)
Of, relating to, or characterized by a limbus.
Of or relating to the limbic system.