Increased variability in visual processing in children with autism

The visual evoked potential (VEP) indexes sensory processing, but the neurophysiological basis of altered VEP amplitudes in autism remains unclear. We examined whether reduced VEP amplitude reflects increased trial-to-trial neural variability and whether this variability relates to electrophysiological markers of cortical excitation/inhibition and developmental functioning. Pattern-reversal VEPs were analyzed in 102 typically developing (TD; 44 female) and 105 autistic (AUT; 15 female) children aged 2-12 years. N1 and N1-P1 amplitudes and inter-trial phase coherence (ITPC) were computed. Resti

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