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.
... Empire until the 19th century, became known to Europeans from the travels of Martin Gerritz de Vries[?] in the 17th century, and still better from those of La Pérouse ...