Hello Vladimir
thanks for your answer.
Unfortunately, I do not have the "meegtools" in my toolbox register...
still, I would like to know, where exactly SPM8 does get the information for the fiducials from.
it is just out of curiosity :)
On Tue, 29 Jun 2010 11:05:34 +0100, Vladimir Litvak <[log in to unmask]> wrote:
>Dear Fabian,
>
>If the CTF software stores the result as .ds folder the fiducials
>should be there so it's hard to say what goes wrong. However, you
>indeed can use the tool in Toolbox/MEEGTools/Copy MEG sensors/ to
>re-load the sensors and fiducials from the raw CTF dataset into your
>SPM8 dataset.
>
>Best,
>
>Vladimir
>
>On Tue, Jun 29, 2010 at 10:50 AM, Fabian Tomaschek <[log in to unmask]> wrote:
>> Hello Everybody,
>> I'm new here, hence I would like to introduce myself first.
>> I'm working on a research project about long and short vowels in German using the MEG.
>> My recordings are already done and I want to analyse my data, but I have a sincere problem.
>>
>> I have preprocessed my datasets with CTF-routines (average, eyeblink-rejection, offset-removel. I have to do so in order to use some other programs than SPM8).
>> When I want to do 3D-reconstruction, SPM8 refuses to process the data with the excuse that "no fiducials are defined".
>> I thought the information is stored in the hc (headcoils) struct produced by the CTF-routines, hence I looked after that.
>> But the results remained the same.
>>
>> My questions:
>> 1. Where does SPM8 get the information about the fiducials from?
>> 2. Are there several possibilities to read that information from the original dataset?
>> 3. Is there a possibility to access the datasets after SPM8-convertion in order to insert the information about the fiducials manually?
>>
>> Thanks in advance,
>> I hope, someone can help me,
>>
>> Greetings
>> Fabian
>>
|