Mains functions are emotion, behavior, long-term memory.The limbic system operates by influencing the endocrine system and the autonomic nervous system.Usually affect depressed . I want to reflect on US elections, Capital rival, as other national problems. Because Im aware of reppetions behaviour from thought that create need for emotional stimuli. Should we all first analyse our political( emotional cognitions) before voting? Whats your thoughts on Epigenetics?