[Mne_analysis] writting raw fif files with mne_ex_read_write_raw

[Matti Hamalainen]

On Apr 21, 2011, at 2:40 PM, sheraz at nmr.mgh.harvard.edu wrote:

> Dear All,
> 
> In continuation of this current thread I have a question, when we do PCA
> we apply projection vector on the leadfield also.
> 
> ICA is also spatial filtering, should not ICA spatial vector should also
> be applied to the Lead field.


Hi,

If the noise covariance is derived from the ICA-processed data, whitening automatically accounts for the dimension reduction caused by the ICA.

- Matti




---------

Matti Hamalainen, Ph.D.
Athinoula A. Martinos Center for Biomedical Imaging
Massachusetts General Hospital

msh at nmr.mgh.harvard.edu






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