the effects of hallucinagetic drugs?? well i think in small doses then that image is indeed correct. however on people i know the arrows should be pointing the other direction. abuse of those drugs is a downward spiral for sure.
but he's expanding his mind no, but seriously, in all cases, "abuse" of any drug leads to a downward spiral
drugs drive me insane I lose each control of my mind and such, instead of opening my mind it get's locked, so no drugs for me. in all cases a downward spriral.
Hallucinogens are not always a downward spiral. Some people can use them intelligently and for positive reasons. The ones who get caught in a downward spiral are the ones who will get caught up in everything they do, whether it is drugs or religion or gambling.
It depends on how its used for sure. For the artist, it's a good representation of how the drugs worked for him. That's good.