Among the many mysteries of human perception, synaesthesia is quite interesting. Crossing of the senses where sound becomes colour, where touch radiates as light, or where vision itself resonates like a musical chord. In early mescaline research, such synaesthetic states were already frequently documented. Investigators noticed that the excitation of one sensory organ would spill … Continue reading When Sound Becomes Light: Synaesthesia, Mescaline, and the Phosphene Connection