Dr. Stefan Treue German Primate Center, Gottingen, Germany. Dr. Douglas Crawford and John TsotsosCentre for Vision Research, York University, Toronto, Canada Dr. Douglas CheyneResearch Institute for Hospital for Sick Children, Toronto, Canada Dr. Pierre JolicoeurUniversity of Montreal, Montreal, Canada Dr. Lesley FellowsMontreal Neurological Institute, Montreal, Canada Drs. Ashok Malla and Ridha JooberDouglas Hospital at McGill, Montreal, Canada