[Eeglablist] epoch for ICA

[Jinghao Lu]

Dear all,

Here is the question: what's the criterion of choosing epoch for ICA? When
we epoch for ica, is the duration of the epoch supposed to cover only the
target period? By target period I mean no other potential cognitive
components might be included, and thus the epoch may be short. Also, what
if the epoch is long? Does that mean the valid components will be blurred?

Btw, to use this ica weight on a further time-frequency decompose, is it
supposed to simply copy the matrices to the long epoch?

Thanks!

Ted
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