You noticed things you did not notice before and then you heard of about a seizure medicine that is supposed to increase your IQ; but what it really enhances is your cognitive facilities by slowing down the cortex of the brain.
Now why would this make you smarter? How many times have you had ingenious thoughts only to have them slip away; fleeting thoughts because you could not hold onto them long enough. You also noticed many things between the other things that you use to notice. Dilantin may only be affective for 6 hours, but what your perceive in that time sticks around. The real danger is when you perceive you current situation in all its stresses, it can be a real eye opener.
You see things and no one understands what your talking about, eventually coming to the realization that you know real solutions to the worlds problems and yet are helpless to do anything with that information.