[FieldTrip] coregister EEG MRI from concurrent recording

Cong Christine Guo christine.cong at gmail.com
Wed Mar 26 05:22:50 CET 2014


Dear Steffen

the tool you suggested is indeed very helpful.  We can live with that
before there is a fast automated way -- I reckon digitising the sensors
during prep probably consume similar amount time.

best regards
Christine



On Tue, Mar 25, 2014 at 12:34 AM, Steffen Bollmann <stebollmann at gmail.com>wrote:

> Dear Christine,
>
> I have the same problem, but haven't found a very fast and easy way to do
> this.
>
> However, I found a tool, which helps a lot:
> http://pylocator.thorstenkranz.de/
>
> Maybe anyone else has better ways of doing it and could share his thoughts?
> All the best
> Steffen
>
>
>
> 2014-03-24 8:54 GMT+01:00 jan-mathijs schoffelen <
> jan.schoffelen at donders.ru.nl>:
>
>>  Dear Christine,
>>
>> I am forwarding your question to the FieldTrip discussion list. No doubt
>> somebody with hands-on experience can give you a much better reply than I
>> could.
>> If you haven't subscribed to the list: this would be the time to do so
>> ;-).
>>
>> Best wishes,
>> Jan-Mathijs
>>
>>
>> On Mar 24, 2014, at 7:43 AM, Cong Christine Guo wrote:
>>
>> Dear Jan-Mathijs
>>
>> I just have a very naive question on the EEG-MRI coregistration - for
>> source reconstruction.
>>
>> For us, we actually do concurrent EEG-MRI.  I read the gold standard is
>> to use the 3D digitalisor (fastrack) system to record the sensor space.
>>  But since we are doing concurrent recording, we can actually see most of
>> the electrode on the T1 images (due to small signal distortion, the
>> electrodes look like small dents on the scalp).  To me, who has not done
>> EEG before, this information should be useful for co-register EEG with MRI?
>> and potentially be better than register everything to the three landmark.
>>
>>  Does Fieldtrip have functions that might work with such configuration?
>>  I imagine we could do a first automated co-reg as a first rough estimate,
>> and maybe manually line up the electrode with T1.
>>
>> Best regards
>> Christine
>>
>>
>>     Jan-Mathijs Schoffelen, MD PhD
>>
>> Donders Institute for Brain, Cognition and Behaviour,
>> Centre for Cognitive Neuroimaging,
>> Radboud University Nijmegen, The Netherlands
>>
>> Max Planck Institute for Psycholinguistics,
>> Nijmegen, The Netherlands
>>
>> J.Schoffelen at donders.ru.nl
>> Telephone: +31-24-3614793
>>
>> http://www.hettaligebrein.nl
>>
>>
>> _______________________________________________
>> fieldtrip mailing list
>> fieldtrip at donders.ru.nl
>> http://mailman.science.ru.nl/mailman/listinfo/fieldtrip
>>
>
>
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