I have recorded the EEG for 20 minutes. for the functional connectivity how much data ( in time ) should be used as an standard.
Thanking you.
regards
Article Computational Methods for Resting-State EEG of Patients With...
probably the cross-references will give you some idea.
Examining some of the data sets on resting EEG , there are variable times, some as low as 4 minutes.
Many qEEG procedures can use as little as 3 minutes of resting state. Be sure to separate eyes open from eyes closed. For functional connectivity there are a few markers you may consider computing, such as phase locking, phase lag, or variations of phase locking. There are some markers and algorithms that seem to require longer recordings, such as up to 15 minutes if you want to use the VIGIL algorithm.
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