Figure 1
From: Neurophysiological markers of ADHD symptoms in typically-developing children

Schematic illustration of the Salience Continuous Performance Task (Salience CPT). Stimuli appeared on the screen for 150 ms followed by an inter-stimulus interval (ISI) of 1500 ms, summing up to a total trial duration of 1650 ms. Participants were instructed to press the space bar to all presented stimuli (i.e., letters and red squares) except the letter ‘X’.