Epileptiform abnormalities and quantitative EEG in children with attention-deficit/hyperactivity disorder.

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.

journal_name

Arq Neuropsiquiatr

authors

Fonseca LC,Tedrus GM,Moraes Cd,Vicente Machado Ad,Almeida MP,Oliveira DO

doi

10.1590/s0004-282x2008000400004

subject

Has Abstract

pub_date

2008-09-01 00:00:00

pages

462-7

issue

3A

eissn

0004-282X

issn

1678-4227

pii

S0004-282X2008000400004

journal_volume

66

pub_type

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