Fig. 2From: Steady-state visual evoked potentials in children with neurofibromatosis type 1: associations with behavioral rating scales and impact of psychostimulant medicationAveraged power spectrum resulting from the fast Fourier transforms in the control group (A) and NF1 group (B) for each stimulation frequency (6, 10, and 15 Hz). Dotted lines indicate the frequency of the visual stimulation at which the amplitude value was extracted.Back to article page