While this is really cool research, given how changeable our brains are, I'm concerned that the article makes the correlation sound causal. It would be interesting to do brain scans on people over their lifetimes to see how they change. I'll bet most of us know someone who was very liberal in college and turned conservative when they got older or vice versa.
Source: http://www.sciencedaily.com/releases/2011/04/110407121337.htm
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