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Dear Christoph, I submitted your complaint to the Fieldtrip team. They might need a data example from you to reproduce the problem. Best, Vladimir On Mon, Mar 18, 2013 at 3:03 PM, Christoph Hofstetter < [log in to unmask]> wrote: > Dear SPM EEG and FieldTrip developers, > > I have noticed that from version SPM8 5236 on the conversion of > BrainVision files gives weird results for me. > The data set I am using are from intracranial recordings which I converted > into BrainVision format using cartool. I used the convert (epoch, define > trials) routine in SPM8 4667 and it worked well. However, when using the > same approach in SPM8 5236 the results are different and many trials have > very high peaks (see file attached). > > After looking a bit into this issue I found that replacing the following > SPM8 5236 functions from the SPM8 4667 brought back the same results as > using pure SPM8 4667: > > spm8_4667\external\fieldtrip\fileio\ft_read_data.m > spm8_4667\external\fieldtrip\fileio\private\read_brainvision_vmrk.m > spm8_4667\external\fieldtrip\fileio\private\read_brainvision_eeg.m > spm8_4667\external\fieldtrip\fileio\private\read_brainvision_pos.m > spm8_4667\external\fieldtrip\fileio\private\read_brainvision_vhdr.m > > It seems the problem is rather with FieldTrip than SPM, nevertheless I > felt like sharing this with you. Please let me know if using the "old" > fileio FieldTrip functions could be problematic. > Many thanks in advance for any comments on how to best deal with this. > > Best regards, > Christoph > > ______________________ > Christoph Hofstetter, M.Sc., PhD candidate > LABNIC, University of Geneva > http://labnic.unige.ch/nic/htms/hofstetter.html > +41 (0) 22 37 959 79 >