Lights. Brain Hacks. Much of the brain is still mysterious to modern science, possibly because modern science itself is using brains to analyze it.
There are probably secrets the brain simply doesn't want us to know. But by no means should that stop us from tinkering around in there, using somewhat questionable and possibly dangerous techniques to make our brains do what we want. We can't vouch for any of these, either their effectiveness or safety. Best Comment Thread: "Can Not Lie"
Restore Sanity Signs.