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  • Title: Relation between resting EEG to cognitive performance and clinical symptoms in adults with attention-deficit/hyperactivity disorder.
    Author: van Dongen-Boomsma M, Lansbergen MM, Bekker EM, Kooij JJ, van der Molen M, Kenemans JL, Buitelaar JK.
    Journal: Neurosci Lett; 2010 Jan 18; 469(1):102-6. PubMed ID: 19945506.
    Abstract:
    Attention-deficit/hyperactivity disorder (ADHD) in children is characterized by elevated levels of slow wave activity and reduced fast wave activity in resting-state electroencephalogram (EEG). In adults with ADHD, resting-state EEG findings are scarce and inconsistent. The present study examined whether the disparate findings are due EEG recording conditions (i.e., eyes-open vs. eyes-closed). A second goal of the current study was to assess relations between EEG spectral indices to performance measures obtained using a stop-signal task, and to behavioral ADHD symptoms. The present study included 24 adults with ADHD and 24 control adults. The EEG results showed a greater reduction in alpha power from eyes-closed to eyes-open (i.e., alpha attenuation) in ADHD compared to controls. In addition, theta/beta ratio was negatively correlated to the speed of responding to choice stimuli. These findings were interpreted vis-à-vis a biophysical model assuming that the hypo-arousal in ADHD is due to an overdrive of the nucleus coeruleus resulting in inhibitory activity of the thalamic reticular nucleus.
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