Psilocybin alters visual contextual computations.
Nature Communications November 21, 2025 Marco Aqil, Gilles De Hollander, Nina Vreugdenhil et al. 1 citation
Psilocybin alters perception and brain dynamics. Here, we investigate the effects of psilocybin using psychophysics, ultra-high field functional MRI, and computational modeling. We find that psilocybin alters contextual perception in the Ebbinghaus illusion, as well as contextual modulation in cortical responses to visual stimuli. We propose a computational model capable of capturing and...