Fig. 4

The mean Z-score during the early phase and the late phase. The mean Z-score during the early phase and the late phase in the left and right temporal cortices. The vertical bar in the graphs represents one standard error (SE). The left graph shows the data during the early phase and the right graphs shows the late phase. In the familiar face condition with ADHD, oxy-Hb concentrations (red bars) in the bilateral temporal cortex were significantly greater both in the early and late phase than the chance level of 0. In the TD boys, oxy-Hb concentrations of the right temporal cortex during the late phase were increased in the familiar face condition (red bars) (* p < .05)