[Mne_analysis] mne_analyze - only magnetometers?

[Matti Hamalainen]

Hi Eliezer,

On Aug 21, 2008, at 5:44 PM, Eliezer Kanal wrote:

> Hello folks -
>
> When computing the MNE (or dSPM, or sLORETA) with mne_analyze, is  
> there a way to specify to only use a subset of the sensors?

The set of sensors used needs to be defined when the inverse operator  
is calculated by designating channels bad. However, usually it is not  
a good idea to use a regional selection of channels but just indicate  
those channels which are not functioning properly. However, some  
studies have used the gradiometers alone and omitted all magnetometers.

> On a similar note, when I load my data, the topographical data  
> display only shows the gradiometers. Does this mean its only using  
> the gradiometers to calculate the field maps? Is there a way to get  
> it to show the magnetometers? Thanks in advance for your help -

By default the topographical display shows the gradiometers only. The  
field maps are calculated using all channels not designated bad. The  
layout of the topographical display is selected from Adjust/Select  
trace layout...

Best,
Matti