I've often said – that when done right – law school makes students smarter. I've even speculated that if researchers gave IQ tests to students before entering and after graduating from law school, they'd find a rise in IQ scores. That, I suspect, would especially be the case for students who took as many courses as possible from teachers who stressed critical thinking, analytic reasoning, and persuasive argument rather than memorization. Now there's intriguing support for that proposition from researchers who have discovered that just studying for the Law School Admissions Test (LSAT), which is designed to test reasoning ability, increases connections between portions of the brain associated with reasoning and thinking. Here’s a link to a short article about the study.