Adam Zeman1, Michaela Dewar2, Sergio Della Sala3. 1. University of Exeter Medical School, College House, St Luke's Campus, Exeter, UK. Electronic address: a.zeman@exeter.ac.uk. 2. Department of Psychology, School of Life Sciences, Heriot-Watt University, Edinburgh, UK. Electronic address: m.dewar@hw.ac.uk. 3. Human Cognitive Neuroscience, University of Edinburgh, Edinburgh, UK. Electronic address: sergio@ed.ac.uk.