Biological Sciences : Psychological and Cognitive Sciences Complementary hemispheric specialization for language production and visuospatial attention Qing Cai a,b,c,1 , Lise Van der Haegen a , Marc Brysbaert a a Department of Experimental Psychology, Ghent University, Ghent B-9000, Belgium b Key laboratory of Brain Functional Genomics, MOE & STCSM, Institute of Cognitive Neuroscience, East China Normal University, Shanghai 200062, China c INSERM, Cognitive Neuroimaging Unit, 91191 Gif-sur-Yvette, France 1 To whom correspondence may be addressed. E-mail: miao.cai@gmail.com