Tools for synesthesia research

synMap online mapping software and R toolbox


synMap is an online application for mapping of colors to grapheme in grapheme-color synesthetes. The toolbox was developed by Árni Gunnar Ásgeirsson, Thomas Alrik Sørensen, and programmer Atli Egilsson, with support from the Student Innovation Fund of RANNÍS (#174745-0091). The program is available to everyone for non-commercial purposes. Researchers interested in gaining admin access should send a request to Árni Gunnar Ásgeirsson (arnigunnar(Replace this parenthesis with the @ sign) 
To use the application, go to

A toolbox is available for analysis of synMap data. This is a work in progress, and will be updated and improved sporadically. The toolbox consists of 2 R scripts and a manual. Please visit to download the toolbox.