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This paper presents the variation of functional interdependency of electroencephalograph (EEG) signals from different cortical areas during a 36 hour long sleep deprived experiment using phase synchronization. Weighted undirected network structures have been constructed based on the magnitude of Phase Synchronization at various levels of wavelet decomposition. Various network parameters have been...
A novel and robust technique is described for removing electroencephalogram (EEG) artifacts resulting from ocular muscles contraction during eye movements. We present a new method to remove ocular artifacts from raw EEG signals. This technique is based on the S-transform (ST), a mathematical operation that produces frequency content at each time point within a time-varying signal. The S-transform...
This paper uses voice response analysis of human subjects for assessing their level of fatigue. The results are simultaneously validated through Electroencephalography (EEG) based measurements. We have designed a 36-hour long experiment where the subjects are asked to repeat a particular sentence at different stages. The response is analyzed for computing various parameters such as voiced duration,...
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