An Amplitude Modulation of Cerebral Rhythms based Method in a Motor Task BCI Paradigm
Journal Title: International Journal of Advanced Computer Science & Applications - Year 2018, Vol 9, Issue 9
Abstract
Quantitative evaluation based on amplitude modulation analysis of electroencephalographic signals is proposed for a brain computer interface paradigm. The method allows characterization of the interaction effects of different frequency bands in the electroencephalographic rhythms during motor tasks. A new index was proposed and computed to be a measure of the amplitude modulation. Built on this index, features vector are established for training different classification algorithms. Signals recorded from 50 subjects revealed important differences in amplitude modulations between motor tasks. Most notably, Theta modulation of the Theta and Alpha rhythms proved to be reliable discriminant features between different mental tasks.
Authors and Affiliations
Oana Diana Eva, Anca Mihaela Lazar
Keywords
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- EP ID EP393527
- DOI 10.14569/IJACSA.2018.090904
- Views 99
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