No but I used to have a co-worker who was two different people on/off this pill.
Without it she would have a hard time putting together her thoughts and translating them into words, like her brain's cognitivity was walking through wet sand, but on Adderall she would transform into a productive, eloquent quick thinker. It was fuh-reaky!
It was either Adderall or Dexedrine, similar stimulants (right?)