Carl Senior is University Lecturer in Psychology and a member of the Neurosciences Research Institute at Aston University, Birmingham, U.K.

Tamara Russell is Postdoctoral Research Fellow at the Institute of Psychiatry, King's College, London.

Michael S. Gazzaniga is Professor of Psychological and Brain Sciences and Director of the SAGE Center for the Study of the Mind at the University of California, Santa Barbara, Codirector of the Kavli Summer Institute in Cognitive Neuroscience, and editor or coeditor of the five previous editions of The Cognitive Neurosciences (all published by the MIT Press).