[Eeglablist] multiple runs/parts of the same paradigm - when to concatenate
politzerahless at gmail.com
Tue Apr 8 21:22:27 PDT 2014
This depends on what things you are doing during preprocessing. For
example, if you are doing ICA, then this should be done before
concatenation. For many other steps, like epoching and filtering, this
doesn't really matter (although a filter might take longer to run on the
concatenated than the un-concatenated data, since it would have to deal
with the boundary).
New York University, Abu Dhabi
Neuroscience of Language Lab
On Tue, Apr 8, 2014 at 6:18 PM, Janosch Linkersdörfer <notes4januz at gmail.com
> Hi all,
> I am writing a script to import EGI .mff data into eeglab and save them as
> .set files for further (pre)processing.
> One of the paradigms is split into two runs. For another paradigm that
> should have been run in one go, for some of the participants there are two
> files, because the participants (children) had to go to the bathroom in
> between blocks.
> In the script I look whether multiple files for one paradigm exist, and if
> so concatenate them using pop_mergeset.
> I now wonder whether this is correct or whether I instead have to
> preprocess each file individually and later concatenate them before (or
> after) epoching.
> It would be great if you could help me!
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