What is Synesthesia?Synesthesia (British spelling synaesthesia) is a rare trait that gives rise to a type of 'merging of sensations'. Some synaesthetes see colours when they hear music, for example. For other synaesthetes, colours might attach to letters, numbers or words (e.g., A might be red, Monday might be green). There are many different types of synaesthesia, triggering colours, shapes, smells, tastes and so on; Click here for more information. What is the Synesthesia Battery?This battery of tests provides a standard battery of questions, tests and scoring. This test is available to the whole community of researchers and synesthetes for their use in making scientific progress. Your data will be kept entirely private, for use only by yourself, and by a researcher if you provide a valid email address for one. |
Already Registered?
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Are you a Synesthete?
Not sure if you're a synesthete? Click here to answer a few preview questions to find out! If you think you are a synesthete, please register here to begin with the questionnaire. Upon completion of the questionnaire, you will be automatically routed to the online software tests appropriate for the forms of synesthesia you experience.
If you have previously taken any of the tests or wish to continue with an unfinished set, please login to complete the battery and then view your results.
We recommend taking the tests on a computer instead of a smartphone, for ease of operation.
Are you a Synesthesia Researcher?
If you are a researcher, you may direct your synesthetic subjects to this site and ask them to include your email address when they register. Use of this battery, with its standardized scoring system, will allow data combination or comparison among laboratories. If you have been invited by Synesthete.org, on behalf of a synesthete, to view his/her results, please enter the username and password that has been emailed to you and login here.
If you are publishing results derived from the online Synesthesia Battery or the Texsyn Toolbox, please cite: David M. Eagleman, Arielle D. Kagan, Stephanie S. Nelson, Deepak Sagaram, Anand K. Sarma. A standardized test battery for the study of Synesthesia. Journal of Neuroscience Methods, 2007 Jan 15;159(1):139-145. [Click here for pdf] and Carmichael, D A, Down, M P, Shillcock, R C, Eagleman, D M and Simner, J (2015) Validating a standardised test battery for synesthesia: does the Synesthesia Battery reliably detect synesthesia? Consciousness and Cognition, 33. pp. 375-385. ISSN 1053-8100 [Click here for pdf]
The Books
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