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<p class=MsoNormal><span style='color:#1F497D'>D</span>r. Oostenveld,<br>
<br>
Attached is the code that I used to extract single trial source time series
from MEG dataset (CTF). It is giving the following error while calling the routine
prepare_leadfield. Could you please let me know the way to fix it?<br>
<br>
Thanks,<br>
Vasan<br>
<br>
%~~~~~~~~~~~~~~~ see the error message~~~~~~~~~~~~~~~<br>
the input is timelock data with 273 channels and 300 timebins<br>
reading headmodel from file '/gs1/users/rajamoni/MEG_ds/AEDTPJOU_nback_20050422_01-f.ds/default.hdm'<br>
using gradiometers specified in the data<br>
precomputing leadfields for efficient handling of multiple trials<br>
reading headmodel from file
'/gs1/users/rajamoni/MEG_ds/AEDTPJOU_nback_20050422_01-f.ds/default.hdm'<br>
using gradiometers specified in the data<br>
creating dipole grid based on user specified dipole positions<br>
0 dipoles inside, 1 dipoles outside brain<br>
computing leadfield<br>
??? Reference to non-existent field 'type'.<br>
<br>
Error in ==> prepare_leadfield at 133<br>
if strcmp(vol.type, 'openmeeg')<br>
<br>
Error in ==> sourceanalysis at 322<br>
[grid, cfg] = prepare_leadfield(cfg, data);<o:p></o:p></p>
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<p>----------------------------------</p>
<p>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.</p>
<p> http://listserv.surfnet.nl/archives/fieldtrip.html</p>
<p> http://www.ru.nl/fcdonders/fieldtrip/</p>