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Effects of the ADHD Syndrome on the Frequency Composition of ERPs Revealed by Independent Component Analysis

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Neurophysiology Aims and scope

In this study, we investigated the frequency characteristics of independent components (ICs) of event-related potentials (ERPs) for persons suffering from attention deficit/hyperactivity disorder (ADHD) and normal adults while performing a continuous performance test (CPT). A group of 50 participants (10 ADHD subjects and 40 ones with no attention disorders) was examined. Independent component analysis was applied to the recorded signals. For ERP extraction, averages for each group of ICs, which were time-locked to the onset of stimuli, were calculated. Several frequency characteristics (704 items) were extracted from different ERPs in each IC. Eight features of the brain signals had a significant (P < 0.001) correlation with the participants’ clinical presentation, which is consistent with the results of previous studies. The revealed promising relation can be used for further evaluation of the sustained attention level.

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Correspondence to F. Ghassemi.

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Neirofiziologiya/Neurophysiology, Vol. 42, No. 6, pp. 514–519, November-December, 2010.

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Ghassemi, F., Moradi, M.H., Tehrani-Doost, M. et al. Effects of the ADHD Syndrome on the Frequency Composition of ERPs Revealed by Independent Component Analysis. Neurophysiology 42, 428–433 (2011). https://doi.org/10.1007/s11062-011-9178-4

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  • DOI: https://doi.org/10.1007/s11062-011-9178-4

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