Differential modulation of subcortical target and cortex during deep brain stimulation. - Bernhard Haslinger; Henning Boecker; Christian Büchel; Jan Vesper; Volker M. Tronnier; R. Pfister; Francois Alesch; J. R. Moringlane; Joachim K. Krauss; Bastian Conrad; Markus Schwaiger; Andres O. Ceballos-Baumann (NeuroImage, 2003)