Readers discuss the psychedelic psilocybin, frogs and UFOs

In control

A high dose of the psychedelic psilocybin temporarily dissolves brain networks, Laura Sanders reported in “Psilocybin erases brain ‘fingerprints’” (SN: 8/10/24, p. 12).

In the study, a generic form of the stimulant Ritalin served as a control against psilocybin. Reader Jason Patrick asked why scientists chose that drug.