1. Department of Psychology, University of Stirling, Stirling, Scotland, United Kingdom
2. elena.gheorghiu@stir.ac.ukhttps://www.stir.ac.uk/people/257378
3. Department of Ophthalmology, McGill Vision Research, McGill University, Montreal, QC, Canada
4. fred.kingdom@mcgill.cahttp://mvr.mcgill.ca/Fred/fkingdom_home.html