Liberalism Conservatism
• Have more Gray matters in the Lateral Cingulate Cortex (LCC), the part of the brain associated with understanding complexity, and monitor(s) uncertainty and conflicts.
•Liberals have a higher capacity to tolerate uncertainty and conflicts, allowing them to accept more liberal views.
Dopamine D4 receptor (DRD4-7R), is associated with the number of friendships a person has in adolescence is significantly associated with liberal political ideology.
•In America over one-third of the population carry the DRD 2 A1 allele and tend to be poorer, vote for liberal candidates, and have poorer voter turn-out, may on a “molecular genetics” level, help explain why Republican’s took hold of the House in the 2011 election.
•Brain is bigger in the section related to fear (Right amygdale),
• People with a large amygdala are "more sensitive to disgust" and tend to "respond to threatening situations with more aggression than do liberals and are more sensitive to threatening facial expressions."
Dopamine A2 allele (DAD2-A2, is present powerfully in this group.
•Carriers of DAD2-A2 vote for conservative party and have better voter turnout.
Table 2: Differences between Liberals and Conservative party in USA.