Difficulties Choosing Control Points in Acupuncture Research. Response: Commentary: Differential Cerebral Response, Measured with Both an EEG and fMRI, to Somatosensory Stimulation of a Single Acupuncture Point vs. Two Non-Acupuncture Points - Nierhaus, Till; Pach, Daniel; Huang, Wenjing; Long, Xiangyu; Napadow, Vitaly; Roll, Stephanie; Liang, Fanrong; Pleger, Burkhard; Villringer, Arno; Witt, Claudia M. (Frontiers in Human Neuroscience, 2016)