1. Centre for Vision and Cognition, Psychology, University of Southampton, Southampton, UK
2. matt.anderson@soton.ac.uk
3. e.w.graf@soton.ac.uk
4. Centre for Vision Research, Department of Psychology, Department of Electrical Engineering and Computer Science, York University, Toronto, Ontario, Canada
5. jelder@yorku.ca
6. School of Computing and Information Systems, The University of Melbourne, Melbourne, Australia
7. kris.ehinger@unimelb.edu.au
8. w.adams@soton.ac.uk