EFFECT OF COGNITIVE TASK ON DELTA AND BETA EEG SYNCHRONIZATION
Publish place: 17th Iranian Conference on Biomedical Engineering
Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICBME17_029
تاریخ نمایه سازی: 9 تیر 1392
Abstract:
Synchronization as a measure of quantification of similarities in dynamic systems is an important concept in manyscientific fields such as neuroscience. A new measure of synchronization, fuzzy SL, was used to investigate overall cortical functional connectivity during a cognitive task compared to resting conditions. High-resolution electroencephalogram (EEG) was recorded during eyes-open resting (EO1), continuous performance test (CPT), and eyes-open resting again (EO2) in 16 healthy children. Global fuzzy SL for delta and beta bands was calculated per condition. The opposite pattern was observed within conditions; delta increased but beta decreased from theEO1 to CPT condition. From the CPT to EO2, changes in the synchronization were also opposite. The findings might be interpreted as condition-specific modulation of functional connectivity of brain neuronal networks.
Authors
Mohammad Ali Nazari
Department of Psychology University of Tabriz Tabriz, IRAN
Mehran Ahmadlou
Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, IRAN
Fabrice Wallois
GRAMFC, North Hospital of Amiens University of Picardie Jule Verne Amiens, FRANCE