The Synesthesia Battery

designed by David Eagleman, Ph.D., is a free website of online questionnaires and software tests for synesthesia.
Brang, David

UC - SD, California, USA
Dixon, Mike

University of Waterloo -- Waterloo, Ontario, Canada
Eagleman, David

​Baylor College of Medicine, 
Houston, Texas, USA

Hubbard, Edward

University of Wisconsin, Madison, WI, USA
Laeng, Bruno

University of Oslo, Norway
Rich, Anina

Macquarie University, Sydney, Australia
Sagiv, Noam

Brunel University, West London, United Kingdom
Simner, Julia

University of Edinburgh, United Kingdom
Smilek, Daniel

University of Waterloo, Ontario, Canada
van Campen, Crétien

Synesthetics Netherlands
Ward, Jamie

​Universityof Sussex, United Kingdom
Sidoroff-Dorso, Anton V.

Moscow State Pedagogical University, Russia
Max Planck Institute for Psycholinguistics

Decoding the genetics of synaesthesia