Trend level for an interaction RESPONSE SPEED x COMPONENT (F(1;34)=2.7; p=0.11) was not reached.Figure 4Effects of response speed.There was a trend towards a positive correlation between median reaction times and iMP??? amplitude in healthy controls (r=0.43; t=2.0; p=0.06) but a negative correlation in the ADHD group (r=???0.50; t=2.2; p=0.048; Figure 5).