In the previous week we applied preprocessing techniques to obtain the cleaned EEG data. This week we are introducing how to extract functional connectivity from the EEG data. Functional connectivity is defined as a study of the correlation of event occurring in the regions of the cortex. The value of functional connectivity depends on the levels of synchronization between groups of neurons. Therefore, the simplest way to calculate the functional connectivity between different electrodes of EEG data is by using cross-correlation.
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