[Mne_analysis] Magnes 3600 mne_browse_raw scaling

Denis-Alexander Engemann d.engemann at fz-juelich.de
Mon Sep 10 08:42:22 EDT 2012
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Ok, it was the calibration to presumably un-amplified values. (1e-07)
So the remaining question is, whether rescaling would affect any of
the MNE routines (I think it shouldn't, but I better ask you).


2012/9/10 Denis-Alexander Engemann <d.engemann at fz-juelich.de>:
> Dear list,
>
> I'm trying to find the right scaling factors when displaying all MEG
> channels, the ECG the EOG and the trigger channels in mne_brows_raw.
>
> For some reason the scaling does not change much on the ECG / EOG.
> This is strange, as the channel types are correctly specified in the
> fiff.
>
> I will have look at the unit muls and cals and see whether this makes
> the difference..
>
> My brute force pick however would be to just multiply the ECG / EOG
> channel data by about 10000, which creates a nice view..
>
> Does anything speak against this? Would that affect the SSP or other routines?
>
>
> Best,
> Denis


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