The San Francisco Chronicle put together a team of scientists and physicists to analyze how Barry Bonds swings so successfully. They came up with nothing interesting whatsoever to report.
Not a single mention was made of hooking people up with electrodes, so I'm not sure what kind of "scientists" the Chronicle would have us believe they pulled together. If they really wanted results, they shoulda gone for the electrodes. They look cool, they reek of scientific legitimacy, and they impress pretty much everyone. Who's gonna argue with electrode-data?