Do you have synesthesia?
Many synesthetes percieve images like these.
Robert Delaunay, Disque (1912).
Robert Delaunay, Homage à Bleriot (1912).
This is a graphic depiction of a photism, drawn by Otto Ortmann's subject D.
The stimulus was the dyad C4–D4, played on the piano.
This is a graphic depiction of a photism, drawn by Carol.
The stimulus was the pain experienced during an acupuncture treatment.
This is a graphic depiction of a photism, drawn by Corrina.
The stimulus was an allergic reaction to a piece of fruit.
This is a graphic depiction of a photism, drawn by Corrina.
The stimulus was a single tone, played on the piano.
This is a graphic depiction of a photism, drawn by Flavia.
The stimulus was the idea of the seasons.
This is a graphic depiction of a photism, drawn by Malcolm.
The stimulus was a toccata by J.S. Bach.
This is a graphic depiction of a photism, drawn by Ulrike.
The stimulus was a "stabbing pain."