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Revista Habanera de Ciencias Médicas

On-line version ISSN 1729-519X

Abstract

ROJAS REYES, Yeneissy; CALZADA REYES, Ana  and  ROJAS ZUAZNABAR, Lillian. Differences in the electroencephalogram of children from two subtypes of the attention deficit hyperactivity disorder. Rev haban cienc méd [online]. 2010, vol.9, n.4, pp.491-499. ISSN 1729-519X.

Electroencephalographic studies in children with Attention Deficit Hyperactivity Disorder (ADHD) report specific profiles in different subtypes. This study investigated the presence of Electroencephalogram abnormalities within a sample of children with the Hyperactive-Impulsive and combined subtypes of the disorder. Subjects consisted of 15 children of hyperactive-Impulsive and 15 children of combined subtypes. Electroencephalogram was recorded during an eyes closed resting condition. The principal findings were characterized by increased slow wave activity in frontal area and the visual analysis showed epileptiforms abnormalities in both groups. There was statistic difference in the spectrum of frequency in both subtypes characterized for more slow activity and less rapid activity in the hyperactive-Impulsive subtipe. These results support a model of ADHD resulting from a maturational lag in the Central Nervous System.

Keywords : Attention-deficit disorder; Electroencephalography; Electrophysiology.

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