Figure 4From: Increased performance uncertainty in children with ADHD? - Elevated post-imperative negative variation (PINV) over the ventrolateral prefrontal cortexMedication effects of methylphenidate. PINV time course over the right ventrolateral prefrontal cortex (AF8/FP2/F10) at T1 and T2 for left hand button press trials. The potentials of the ADHD group are depicted in grey, those of the control-group in black.Back to article page