http://www.sci-con.org/articles/20021030.html check this out, its about natural synestesia
LearyS Disciple Reviewed by LearyS Disciple on . Salvia: Seeing sounds While fucked up on Salvia has anyone experienced seeing sounds, feeling sounds, and other kinds of sense confusion. I have and it is the most trippiest thing that I have ever felt/seen/heard all at the same time holy shit I am buying some more Rating: 5