@article{BiehlMerzDresleretal.2016,
  author    = {Stefanie C. Biehl and Christian J. Merz and Thomas Dresler and Julia Heupel and Susanne Reichert and Christian P. Jacob and J{\"u}rgen Deckert and Martin J. Herrmann},
  title     = {Increase or Decrease of fMRI Activity in Adult Attention Deficit/ Hyperactivity Disorder: Does It Depend on Task Difficulty?},
  journal   = {International Journal of Neuropsychopharmacology},
  volume    = {19},
  number    = {10},
  doi       = {10.1093/ijnp/pyw049},
  year      = {2016},
}