LORETA - what file

[Nathan Weisz]

hi,

if you're looking for a matlab implementation you could also take a  
look at srang dalal's nutmeg-toolbox:
http://nutmeg.berkeley.edu/index.php?title=Main_Page

don't know if it works out with eeg though ...

best,
nathan

On 12.02.2009, at 09:29, Robert Oostenveld wrote:

> On 11 Feb 2009, at 16:24, Szymon Piłat wrote:
>> Hi everybody!
>>
>> Is LORETA implemented in FieldTrip? I would like to localize source  
>> using it.
>> I want to find source using only 1 timepoint of EEG (19 electrodes)  
>> so I want to use low-level script. Can you tell me what file  
>> performs LORETA's algorithm?
>
> Hi Szymon
>
> Note that there are various LORETA algoritms, which are  
> distinguished by a prefix (e.g. sLORETA, eLORETA). The original one  
> with Laplacian-weighted regularization is plain LORETA without a  
> prefix. But Fieldtrip does not include an implementation of any  
> LORETA version.
>
> An implementation of LORETA for EEG is available from Roberto  
> Pascual-Marqui at http://www.uzh.ch/keyinst/loreta.htm. Fieldtrip  
> does have a helper function to read the resulting files from thaht  
> software, it is called loreta2fieldtrip. It can be used for post- 
> processing the source reconstructions in fieldtrip, e.g. for  
> statistics. I think that it has not been used for a long time, so I  
> am not 100% confident that loreta2fieldtrip will work out of the  
> box, but you could have a look at it.
>
> best regards,
> Robert----------------------------------
> The aim of this list is to facilitate the discussion between users  
> of the FieldTrip  toolbox, to share experiences and to discuss new  
> ideas for MEG and EEG analysis. See also http://listserv.surfnet.nl/archives/fieldtrip.html 
>  and http://www.ru.nl/fcdonders/fieldtrip.

----------------------------------
The aim of this list is to facilitate the discussion between users of the FieldTrip  toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis. See also http://listserv.surfnet.nl/archives/fieldtrip.html and http://www.ru.nl/fcdonders/fieldtrip.