[Eeglablist] Error with channel edit GUI

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Thu Jan 29 17:09:29 PST 2015

Dear Steve,

Sorry for slow response.
Looks like that's a problem. Could you file it to EEGLAB Bugzilla by copy
and paste your message?

I'm sure you are skilled so must have already found the workaround, but if
there is anything help you let me know.


On Thu, Jan 15, 2015 at 9:07 PM, Stephen Politzer-Ahles <spa268 at nyu.edu>

> Hi all,
> I used to use eeglab12_0_2_5b, and with my data and that version of
> EEGLAB, after importing a file I could in the GUI navigate to Edit >
> Channel Locations, and it would then bring up a window that would
> automatically look up the channel locations (based on the channel names)
> from a BESA template (it was equivalent to running
>> EEG=pop_chanedit(EEG,
>> 'lookup','C:\\Users\\lingadmin\\Documents\\MATLAB\\eeglab12_0_2_5b\\plugins\\dipfit2.2\\standard_BESA\\standard-10-5-cap385.elp');
>> )
> Recently, though, I updated to eeglab13_4_4b, and MATLAB 2014b (previously
> I was using 2014a). Now when I go to the channel edit GUI, I get the
> following error message:
> IMPORTANT: After importing/modifying data channels, you must close
>> the channel editing window for the changes to take effect in EEGLAB.
>> TIP: Call this function directy from the prompt, ">> pop_chanedit([]);"
>>      to convert between channel location file formats
>> Operands to the || and && operators must be convertible to logical scalar
>> values.
>> Error in pop_chanedit (line 163)
>> if isempty(chans) || ~ishandle(chans)
>> Error in pop_chanedit (line 225)
>>         [chans chaninfo urchans com] = pop_chanedit(chans, chaninfo,
>> 'lookupgui', []);
>> Error while evaluating Menu Callback
> Calling pop_chanedit from the command line, however, still works.
> Best,
> Steve
> Stephen Politzer-Ahles
> New York University, Abu Dhabi
> Neuroscience of Language Lab
> http://www.nyu.edu/projects/politzer-ahles/
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Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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