it would likely include experiments with other modalities other vehicles other tools that also produce not minutely noticeable but profound changes in consciousness which is really the stage upon which everything happens right and in doing so provide you with an opportunity to rewrite the story of your life or to gain perspectives that are otherwise inaccessible and that might include sensory deprivation tanks it might include neurofeedback it might include other types of non psychedelic pharmaceuticals it might include ketamine