[Eeglablist] ICA for muscle artefacts from overt responses?

[Maarten De Vos]

Dear Wout

it is a difficult issue, but not correcting at all is for sure 
suboptimal.

We suggested to use a CCA-based approach (code available), which seem 
to outperform ICA for overt responses:

Neuroinformatics. 2010 Jun;8(2):135-50.
Removal of muscle artifacts from EEG recordings of spoken language 
production.
De Vos M, Riès S, Vanderperren K, Vanrumste B, Alario FX, Van Huffel S, 
Burle B.
Source

Hope this helps
maarten

On 2012.10.30 10:40, Wout Duthoo wrote:
> Hi,
>
> I ran an EEG experiment in which vocal responses were recorded, so
> that strong muscle artefacts are visible in the EEG signal.
>
> In general: is it a good idea to run an ICA, identify components
> related to these muscle artefacts and then correct for these (in
> addition to correcting for eye blinks)? Or would it be better not to
> correct for these motor artefacts, given that they will probably
> average out when calculating the grand average?
>
> Thanks in advance!
>
> Wout