[Eeglablist] Handling Abrupt Changes After ASR Preprocessing

[Hanna Szakács]

Hi, this is something that interests me as well and I haven't found a clear
answer online or on the EEGLAB forums so far. So I'm piggybacking on Masa's
message to ask the community for clarification.

Best,
Hanna

和田真孝 via eeglablist <eeglablist at sccn.ucsd.edu> ezt írta (időpont: 2024.
okt. 6., Vas 3:22):

> Hi all,
>
> I usually use ASR for preprocessing in resting-state EEG analysis. This
> function removes segments of data that contain excessive noise. It works
> quite well; however, after the rejection, it directly concatenates the
> periods before and after the removed segments, resulting in abrupt changes
> in the waveform. I am concerned that these abrupt changes may introduce
> additional noise, such as ripples, in subsequent steps of the analysis,
> such as time-frequency or connectivity analysis.
>
> Is this approach acceptable for further analysis? Or do you know of any
> good solutions to avoid this problem?
>
> Best,
> Masa
>
> --
> Masataka Wada
> Postdoctoral Scholar, Brain Stimulation Lab
> Department of Psychiatry and Behavioral Sciences
> Stanford University
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