eep and brainvision definetrial
r.oostenveld at FCDONDERS.RU.NL
Tue May 6 14:53:59 CEST 2008
Your problem might well be to the file being exported in a non-
standard brainvision format.
On 27 Apr 2008, at 0:01, Susana Silva wrote:
> My questions are:
> - In my position – someone who has eep files and brainvision files,
> what is the most simple option: try to use eep or brainvision (at the
> moment, I can use neither!)
Reading the eep files requires mex files, and that requires
additional software from ANT (a librarry with the low0-level
routines). Since that software is not open source, it is not possible
to recompile the MEX file on your platform. You could complain about
the file format with ANT and/or get another Matlab version (an old
matlab on windows should work). As such, the brainvision format seems
the most pragmatic solution to me.
> - Can you give me an example of a trial definition based upon a
> brainvision file, let us say s1.eeg (data), s1.vhdr , s1.vmrk,
> where ‘s33’
> (eventvalue) is the ‘Stimulus’ (eventtype)?
Example trial definitions are given in the documentation on the
> - In case I can not do the trial definition, how exactly should I
> arrange my data so that they are equivalent to the output of
You should specify a trl matrix as cfg.trl to the preprocessing
function, that matrrix is explained in the documentation on the
website and in the definetrial function help.
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