%0 Journal Article %T Do we measure gray matter activation with functional diffusion tensor imaging? %A Ren¨¦ C. W. Mandl %A Hugo G. Schnack %A Marcel P. Zwiers %A Ren¨¦ S. Kahn %A Hilleke E. Hulshoff Pol %J Frontiers in Neuroscience %D 2014 %I Frontiers Media %R 10.3389/fnins.2014.00126 %K white matter activation %K BOLD signal %K partial volume effects %K signal leaking %K fiber tracts %U http://www.frontiersin.org/Journal/10.3389/fnins.2014.00126/full