[Eeglablist] Comparison of EEG components to depth recordings

Ramesh Srinivasan srinivar at uci.edu
Tue Nov 5 07:03:02 PST 2019


Hi David

Your reviewer is not wrong. Your ica component will contain some noise from
(for example emg) that is subtle.

Btw it's also likely that if you labeled some ica components as artifact
some data was lost there too.

Ramesh Srinivasan
Professor and Chair
Cognitive Sciences

On Tue, Nov 5, 2019, 00:17 Jenson, David Evans <david.jenson at wsu.edu> wrote:

> EEGLABers,
>
> A reviewer has asked me to acknowledge that my ICA components probably
> contain noise, potentially including additional signal not belonging to the
> signal of interest.  I’m hesitant to acknowledge this point in too much
> detail, as I feel like it undercuts the rest of the analyses.  However, I’m
> unaware of any published studies that have directly compared ICA decomposed
> EEG data to depth recordings, which is the only method I can think of for
> demonstrating that the components are not contaminated by noise or
> additional signals.
>
> Is anyone aware of published studies that could help me make this point,
> or has experience responding to similar questions?
>
> Thanks,
>
> David Jenson, PhD
> Assistant Professor
> Department of Speech and Hearing Sciences
> o: 509-368-6913 | david.jenson at wsu.edu<mailto:david.jenson at wsu.edu>
>
>
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