> ## Content Index
> Fetch the complete content index at: https://www.psymposia.com/llms.txt
> Use this file to discover other available public pages before exploring further.

# Psilocybin, DXM, or Placebo?
- URL: https://www.psymposia.com/psilocybin-dxm-or-placebo/
- Published: 2015-10-16T02:40:52.000Z
- Updated: 2020-11-12T08:57:31.000Z
- Description: Twig Harper talks about his experience as a participant in the Johns Hopkins psychedelic studies and reflects on the influence of the placebo effect.
- Author: Psymposia
- Tags: Videos, Culture, Psychedelics

[![](https://i.ytimg.com/vi/fVS5OBsAwf0/hqdefault.jpg)](https://www.youtube.com/watch?v=fVS5OBsAwf0&ref=psymposia.com)