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Arquivos de Neuro-Psiquiatria
Article . 2008
Data sources: DOAJ
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Epileptiform abnormalities and quantitative EEG in children with attention-deficit / hyperactivity disorder Atividade epileptiforme e eletrencefalograma quantitativo em crianças com transtorno de déficit de atenção/hiperatividade

Authors: Lineu Corrêa Fonseca; Glória Maria A.S. Tedrus; César de Moraes; Amanda de Vicente Machado; Marcela Pupin de Almeida; Débora Ortolan Fernandes de Oliveira;

Epileptiform abnormalities and quantitative EEG in children with attention-deficit / hyperactivity disorder Atividade epileptiforme e eletrencefalograma quantitativo em crianças com transtorno de déficit de atenção/hiperatividade

Abstract

There is much controversy about the importance of the electroencephalogram (EEG) in assessing the attention-deficit/hyperactivity disorder (ADHD). The objective of this study was to assess the use of EEG and quantitative EEG (qEEG) in ADHD children. Thirty ADHD children and 30 sex- and age-matched controls with no neurological or psychiatric problems were studied. The EEG was recorded from 15 electrode sites during an eyes-closed resting condition. Epileptiform activity was assessed, as were the absolute and relative powers in the classical bands after application of the Fast Fourier transform. Epileptiform activity was found in 3 (10%) ADHD children. As compared to the controls, the ADHD group showed significantly greater absolute delta and theta powers in a diffuse way, and also greater absolute beta power and smaller relative alpha 1 and beta powers at some electrodes. A logistic multiple regression model, allowed for 83.3% sensibility and specificity in diagnosing ADHD.Há controvérsias sobre a importância do eletrencefalogama (EEG) na avaliação do transtorno de déficit de atenção/hiperatividade (TDAH). O objetivo deste estudo foi avaliar, em crianças com TDAH, o EEG digital e quantitativo. Foram estudadas 30 crianças com TDAH e 30 sadias, sem evidências de problemas neurológicos ou psiquiátricos e pareadas por idade e gênero. Foi registrado o EEG em 15 posições de eletrodos, durante repouso e olhos fechados. Foi realizada pesquisa de atividade epileptiforme e feita análise de freqüências nas faixas clássicas, após aplicação da transformada rápida de Fourier. Foi encontrada atividade epileptiforme em 3 (10%) crianças com TDAH. O grupo TDAH teve, em relação ao grupo controle, significativamente, maior potência absoluta delta e teta, de modo difuso, assim como maior potência absoluta beta e menor potência relativa alfa 1 e beta, em alguns eletrodos. Um modelo de regressão múltipla logística possibilitou sensibilidade e especificidade de 83,3% no diagnóstico de TDAH.

Keywords

children, attention-deficit, Neurosciences. Biological psychiatry. Neuropsychiatry, transtorno de déficit de atenção, EEG, infância, RC321-571

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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