> I also felt as if I was constantly trying to recover a lost train of thought, like I was thinking, hold on.. wait.. what was I doing again.. Psilocybin and L

> I also felt as if I was constantly trying to recover a lost train of thought, like I was thinking, hold on.. wait.. what was I doing again.. Psilocybin and LSD can certainly produce that feeling. For that matter, cannabis at high doses can as well. It's possible to train oneself not to "chase" linear trains of thought so compulsively, though. Some would argue that's critical to a good psychedelic experience: letting go of typical patterns of cognition and allowing the mind to go where the trip takes it. On sufficiently large doses of many psychedelics, I have the impression that the mind becomes less a goal-oriented, narrowly focused "thinking machine" and more a child-like, free-associative, broadly perceptive sense organ. Fighting that tends to be unpleasant, imo.