Figure 1From: Increased performance uncertainty in children with ADHD? - Elevated post-imperative negative variation (PINV) over the ventrolateral prefrontal cortexPINV time course: ADHD versus healthy control children. PINV time-course over the left (top) and the right (bottom) ventrolateral prefrontal cortex for unilateral response movement with the left thumb. The potentials of ADHD children are depicted in grey, those of the control-group in black. The drug-free first run T1 is shown. The vertical dashed line indicates the time when the auditory warning stimulus S1 occurred, the visual imperative stimulus S2 followed 3 s later.Back to article page