[FieldTrip] beamformer on EEG data
azeez.adebimpe5 at gmail.com
Fri Sep 4 17:36:42 CEST 2015
There may be problem in viewing if there is no issues or warning in
Can you use view in fieldtrip first with* ft_sourceplot* after or before
interpolation to compare with micron?
On Fri, Sep 4, 2015 at 5:17 PM, Wu, Jia <jia.wu at yale.edu> wrote:
> Thanks for getting back to me. Yes I used the same MRI. But since you
> asked, I went back and double checked all the steps and put together the
> code as below. I used MRIcro to looked at the source output. The output
> still doesn't look quite like a brain: http://imgur.com/Kn3sbgm.
> Code is here:
> sample data here: (sorry the link expires in a week)
> download password:code
> Thank you very much for your help!
> *From:* fieldtrip-bounces at science.ru.nl [fieldtrip-bounces at science.ru.nl]
> on behalf of Azeez Adebimpe [azeez.adebimpe5 at gmail.com]
> *Sent:* Tuesday, September 01, 2015 5:28 PM
> *To:* FieldTrip discussion list
> *Subject:* Re: [FieldTrip] beamformer on EEG data
> Hi Jia,
> Do you interpolate on the same MRI you used for construct headmodel?
> Can you post your matlab code?
> On Tue, Sep 1, 2015 at 11:20 PM, Wu, Jia <jia.wu at yale.edu> wrote:
>> Here is the most problematic part of my analysis.
>> When I did not align electrode positions with headmodel, I was able to
>> get interpolated source signal that resembled a brain.
>> However if I managed to align electrode positions with headmodel, (then
>> build the correct leadfield), the interpolated source did not resemble a
>> Anybody has a clue what was going on?
>> *From:* fieldtrip-bounces at science.ru.nl [fieldtrip-bounces at science.ru.nl]
>> on behalf of Wu, Jia [jia.wu at yale.edu]
>> *Sent:* Monday, August 31, 2015 4:33 PM
>> *To:* FieldTrip discussion list
>> *Subject:* [FieldTrip] beamformer on EEG data
>> I'm new to the community and fieldtrip. I'm trying to use beamformer to
>> do oscillatory source localization on some EEG data.
>> I thought I stumbled upon some tutorial specific on this top on the
>> fieldtrip wiki, but I couldn't find it any more. Most source localization
>> materials seem to be for MEG data. And I've been confused about the steps
>> to build a correct headmodel, sourcemodel, leadfield based on only EEG
>> Anybody has a quick link to the tutorial? If such tutorial doesn't exist
>> I will email the group about my specific questions.
>> fieldtrip mailing list
>> fieldtrip at donders.ru.nl
> fieldtrip mailing list
> fieldtrip at donders.ru.nl
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