Fig. 1From: Distinct cortical activity patterns in Parkinson’s disease and essential tremor during a bimanual tapping taskSchematic presentation of the tapping task. Schematic presentation of the bimanual tapping task. 30 s of cued movements was followed by 30 s of non-cued movements. An auditory cue was used, a metronome sound presented at either 2 or 4 Hz. This was repeated 3 times in total and at two and four Hz as cue frequencies. The red line indicates the data segment used for analysis from each blockBack to article page