1903, Frederic William Henry Myers, Human Personality and Its Survival of Bodily Death ... In Two Volumes Chapter Sensory Automatism, Probably in all of us, though in some men much more distinctly than in others, there exist certain synæsthesiæ or concomitances of sense-impression, which are at any rate not dependent on any recognisable link of association.
2008, Adam Mars-Jones, w Chapter Permission to Die, For me Saturday was a bright red color, just as the other days of the week were chromatically coded. ... This wasn't the true synæsthesia which is such a fascinating mystical hint, a loose thread in the fabric of perception left a-dangle, an unravelling which suggests that we could dissolve all our unreal categories.
1945, Julian Blackburn, Psychology and the Social Pattern Chapter Introduction, Now just as normal perceptions in terms of sense organs different from those stimulated can be interpreted through common past experiences, so it is likely that synæsthesias may be partly explicable in terms of individual experiences.
