Nature Outlook has published Psychedelic Medicine, a collection of popular science articles about the advances and challenges of psychedelic research and clinical applications. One article, Your brain on psychedelics, includes NRU Senior Researcher Patrick Fisher's perspective on what we know and do not know about psychedelic effects on the brain.
The article collection can be found here: https://www.nature.com/collections/edcbibiadj
The article including Patrick Fisher can be found here: https://www.nature.com/articles/d41586-022-02874-7