I re-checked the conversion of SPM8 example mafdeMspm8_example.mat and
indeed found some minor bugs that generated errors. They are now fixed
and the fix will appear in the next web update. However, this is not
really a major issue as this file can and should be read without
conversion as I mentioned.
Vladimir
On Mon, Oct 20, 2008 at 1:44 PM, Vladimir Litvak
<[log in to unmask]> wrote:
> Dear Eleni,
>
> Fieldtrip struct is not supposed to be imported with the 'Convert'
> button (spm_eeg_convert), but using the function spm_eeg_ft2spm in
> your script. This is stated quite clearly in the manual. The file
> mafdeMspm8_example.mat is an SPM8 file and it is not supposed to be
> converted, although it can be so the error should not actually happen.
> It can happen however if you for instance save something other than
> SPM's D struct in this file. You can just load this file directly in
> 3D source reconstruction, DCM or reviewing..
>
> Best,
>
> Vladimir
>
> On Mon, Oct 20, 2008 at 1:22 PM, Eleni Tsianaka
> <[log in to unmask]> wrote:
>> Hello all,
>>
>>
>>
>> I cannot import my eeg data in spm. The data are in .mat format
>> (channelsXtime). I have tried to put the data in a Fieldtrip raw data struct
>> according to chapter 13.2 of the spm8 manual (inside man folder) but when I
>> convert the struct in spm I take the following errors:
>>
>>
>>
>> Warning SOPEN: Automated OVERFLOWDETECTION not supported - check yourself
>> for saturation artifacts.
>>
>> ??? Reference to non-existent field 'SPR'.
>>
>>
>>
>> Error in ==> read_biosig_header at 60
>>
>> if length(biosig.SPR)>1 & any(diff(biosig.SPR))
>>
>>
>>
>> Error in ==> read_header at 1083
>>
>> hdr = read_biosig_header(filename);
>>
>>
>>
>> Error in ==> fileio_read_header at 11
>>
>> [varargout{1:nargout}] = funhandle(varargin{:});
>>
>>
>>
>> Error in ==> spm_eeg_convert at 70
>>
>> hdr = fileio_read_header(S.dataset, 'fallback', 'biosig');
>>
>>
>>
>> Error in ==> spm_eeg_convert_ui at 79
>>
>> D = spm_eeg_convert(S);
>>
>>
>>
>> ??? Error while evaluating uicontrol Callback
>>
>>
>>
>> Moreover, I take the same mistakes when converting the
>> mafdeMspm8_example.mat that I downloaded from the SPM website.
>>
>>
>>
>> Can someone advise of a way to import the data in spm?
>
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