Synaesthesia is the neurological mixing of the senses. A synaesthete may for example hear[?]colours, see sounds, and taste tactile sensations. While this may happen in a person who has got autism, it is by no means exclusive to autistics.
... school of the fourteenth and fifteenth
centuries, and with the "Confessions" of Augustine
and John Bunyan's Pilgrim's Progress it occupies a
front rank, if ...