Yeah, it's definitely a thing. Here's an interesting post about it maybe being due to extremely high "openness" caused by psychs: https://slatestarcodex.com/20

Yeah, it's definitely a thing. Here's an interesting post about it maybe being due to extremely high "openness" caused by psychs: https://slatestarcodex.com/2016/04/28/why-were-early-psychedelicists-so-weird/ https://slatestarcodex.com/2016/04/28/why-were-early-psyched... I suspect this is much more common than anyone realizes: https://slatestarcodex.com/2018/06/06/hppd-and-the-specter-of-permanent-side-effects/ https://slatestarcodex.com/2018/06/06/hppd-and-the-specter-o...