aKey Laboratory of Cognition and Personality, Ministry of Education
bSchool of Psychology, Southwest University, Chongqing, China
cMax Planck Institute for Biological Cybernetics, Tübingen, Germany
dDepartment of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, Ontario, Canada
Correspondence to Dr Qinglin Zhang, School of Psychology, Southwest University, Chongqing 400715, China
Tel: +86 23 6825 3939; fax: +86 23 6825 3304; e-mail: [email protected]
or
Dr Hongjin Sun, Department of Psychology, Neuroscience and Behaviour, McMaster University, Canada
Qiang Liu and Ying Wu are the co-first authors
Received 7 January 2009 accepted 12 March 2009
