Diffusion-weighted Imaging tractography-based parcellation of the human lateral premotor cortex identifies dorsal and ventral subregions with anatomical and functional specializations - Tomassini,V; Jbabdi,S; Klein,JC; Behrens,TEJ; Pozzilli,C; Matthews,PM; Rushworth,MFS; Johansen-Berg,H (JOURNAL OF NEUROSCIENCE, 2007)