Microstates in ADHD children during a visual cued GO/NOGO task (original) (raw)
Children with attention deficit/hyperactivity disorder (ADHD) have been found to show theta-beta correlation in rhythmic brain oscillations. We aimed to further analyse scalp activity in order to study global amplitude of activation and topographical stability during a visual-cued task in children with ADHD. Participants and methods: Fourteen ADHD and 14 aged-matched control children underwent EEG while performing a visual-cued GO-NOGO task. We performed theta-beta corroboration, topographical activation study, including global field potential (GFP) and transiently stable brain states (microstates). We performed a topographical ANOVA to establish differences between conditions and other statistical analysis (comprising unpaired t-tests) to fit maps within subject. Results: ADHD children had significantly smaller amplitude at first and third peak and larger second peak in the W-shaped GFP after CUE, GO and NOGO visual onsets than control children, who showed the reverse image to this...
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