Sources of EEG Activity in Learning Disabled Children

Author:

Fernández Thalía1,Harmony Thalía1,Fernández-Bouzas Antonio1,Silva Juan1,Herrera Wendy1,Santiago-Rodríguez Efraín1,Sánchez Liliana1

Affiliation:

1. Institute of Neurobiology, National Autonomous University of Mexico, Campus UNAM-UAQ Juriquilla, Querétaro 76230, México

Abstract

The sources of different EEG frequencies were studied in 25 normal children and 46 learning disabled (not otherwise specified) children between 7 and 11 years old. The EEG sources were computed using Frequency-domain Variable Resolution Electromagnetic Tomography which produces a three dimensional picture of the currents at each EEG frequency. Significant differences between groups were observed. LD children showed more theta activity (3.5 to 7.02 Hz) in the frontal lobes and control children more alpha (9.75 to 12.87 Hz) in occipital areas. These results may support the maturational lag hypothesis, as the neurobiological cause of learning deficiencies not otherwise specified.

Publisher

SAGE Publications

Subject

Neurology (clinical)

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