The study of EEG Characteristics in ADHD children
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1
I. Beritashvili Center of Experimental Biomedicine, Tbilisi, Georgia, Cognition, Georgia
Purpose: The study aimed to detect EEG biomarkers of ADHD patients.
Methods: The EEG of 30 children aged 9 to 13 years with ADHD (10 boys and 10 girls) and EEG of 10 healthy ones of the same age and gender served as a control group was studied. QEEG signals were digitally recorded using a set of 21 scalp electrodes according to International 10−20 system. EEG Recording in all patients was carried out in the morning during of quiet wakefulness. EEG fragments for each patient were performed and Fourier transformed to provide absolute (AP) value of frequency bands(delta, theta, alpha and beta-1, beta-2)
Results; Preliminary analysis of the results showed: ADHD Boys; AP in Delta increased in frontal-central-temporal areas(p<0.05). ADHD Girls; AP in Delta increased in frontal areas(p<0.05). ADHD Boys; Retardation of basic rhythms manifested mainly in frontal-central regions of brain in all low frequency ranges in ADHD boys, whereas in girls only enhancement Beta activity was recorded predominantly in frontal-parietal lobes.
Conclusions: Comparison of indices obtained in ADHD groups of boys and girls revealed of changes. The different regions of the brain develop in a different sequence, in girls compared with boys. Different EEG rhythms reflect function of a variety of intracerebral mechanisms. QEEG analysis represent important technique providing objective and physiologically based data and some features can be added to the psycho-biological basis of ADHD. The study of age-related sex and brain’s regional differences in ADHD children may aid in understanding the mechanism of several developmental neuropsychiatric disorders.
References
[1] Rettew, D., 2014. ADHD as a Brain Maturation Delay? A new study on maturing brain networks sheds light on the definition of ADHD; published by in ABCs of Child Psychiatry
[2]Cole, W. R., Mostofsky, S. H., Gidley Larson, J. C., Denckla, M. B., and Mahone, M E., 2008. Age-related changes in motor subtle signs among girls and boys with ADHD, Neurology, vol. 71 no. 19, 1514-1520
Keywords:
clinical neurophysiology,
EEG,
ADHD patients,
Children,
Brain
Conference:
SAN2016 Meeting, Corfu, Greece, 6 Oct - 9 Oct, 2016.
Presentation Type:
Poster Presentation in SAN2016 Conference
Topic:
Posters
Citation:
Khachidze
I
(2016). The study of EEG Characteristics in ADHD children.
Conference Abstract:
SAN2016 Meeting.
doi: 10.3389/conf.fnhum.2016.220.00055
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Received:
29 Jul 2016;
Published Online:
01 Aug 2016.
*
Correspondence:
Dr. Irma Khachidze, I. Beritashvili Center of Experimental Biomedicine, Tbilisi, Georgia, Cognition, Tbilisi, Choose One, 0160, Georgia, irmakha@yahoo.com