[Mne_analysis] PSI, frequency bands, and edge artifacts

[Bear, Joshua]

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Dear MNE Community, 

When you run PSI (or other connectivity measures) on very short epochs within a given frequency band (using fmin and fmax rather than filtering beforehand), how does the function limit to those frequencies? Is there still a risk of introducing edge artifacts? Is there a common approach to quantify this risk? 

Thank you,
Josh