the lingering effects of psiocybin on the sense of self of an experimental cohort ...
https://uploads.guim.co.uk/2024/07/16/240716_Science.mp4 volunteers took either psilocybin or ritalin, and were subjected to scan before and after ... those who had taken ritalin were later given psilocybin While participants’ brain scans largely returned to normal the day after taking psilocybin, Siegel noted a reduction in communication between the default mode network and the anterior hippocampus – a part of the brain critical for memory and perceptions of space and time – lasted for three weeks after the dose. a researcher commented ... "we didn't have any trouble finding participants" https://www.theguardian.com/science/article/2024/jul/17/psilocybin-magic-mushrooms-influence-brain-weeks-study