[Eeglablist] Problem with Plotting Channel Spectra and Map

Donia ZaheriSarabi donia at vt.edu
Sun Aug 9 11:05:27 PDT 2015


Hi,
Thank you for responding. I have the EEGLAB 10_0_0_0b, and MATLAB R2012b.
Is it possible that there is an issue with these versions? I have also
attached both the channel info file and a link to the screenshot of one of
the channel locations info; although I don't think that the problem is with
the channel location info, because I get the same error with the EEGLAB
sample file data.

Thank you,
Donia

http://tinypic.com/r/2eku2cm/8


On Fri, Aug 7, 2015 at 7:27 PM, Makoto Miyakoshi <mmiyakoshi at ucsd.edu>
wrote:

> Dear Donia,
>
> Other causes I can think of are, Matlab and EEGLAB versions, toolbox
> dependency (which is unlikely in this case), invalid enter to the channel
> location info, etc... Could you share the screenshot of one of channel info
> with us?
>
> Makoto
>
> On Wed, Aug 5, 2015 at 11:46 PM, Donia ZaheriSarabi <donia at vt.edu> wrote:
>
>> Hi,
>>
>> Thanks for responding. I do have the channel locations (both for my data
>> and the sample data). May I ask if you have any other guess?
>>
>>
>> Thank you,
>> Donia
>>
>> On Mon, Aug 3, 2015 at 5:29 PM, Makoto Miyakoshi <mmiyakoshi at ucsd.edu>
>> wrote:
>>
>>> Dear Donia,
>>>
>>> My initial guess: you don't have channel locations, do you? The function
>>> tries to plot scalp maps, so it requires channel locations.
>>>
>>> Makoto
>>>
>>> On Sat, Aug 1, 2015 at 12:01 PM, Donia ZaheriSarabi <donia at vt.edu>
>>> wrote:
>>>
>>>> Hi Steve,
>>>>
>>>> Thanks for responding, my input data is a matlab array, I locate the
>>>> channels, remove the baseline, run ICA, scroll data and reject part of it.
>>>> and for channel spectra and maps, I select the sample size of 15% of data.
>>>> I select "Channel Spectra and Maps" by GUI.
>>>> I tried EEG sample data too and followed the tutorial for channel
>>>> mapping and spectra, and got the same error again.
>>>>
>>>> Thanks,
>>>> Donia
>>>>
>>>>
>>>> On Sat, Aug 1, 2015 at 1:29 PM, Stephen Politzer-Ahles <spa268 at nyu.edu>
>>>> wrote:
>>>>
>>>>> Hello Donia,
>>>>>
>>>>> To get help, you might need to provide more details about the format
>>>>> of your data, how you have processed your data, and what commands you used
>>>>> when you call "Channel Spectra and Maps".
>>>>>
>>>>> Best,
>>>>> Steve
>>>>>
>>>>>
>>>>>
>>>>> Stephen Politzer-Ahles
>>>>> New York University, Abu Dhabi
>>>>> Neuroscience of Language Lab
>>>>> http://www.nyu.edu/projects/politzer-ahles/
>>>>>
>>>>> On Sat, Aug 1, 2015 at 5:50 PM, Donia ZaheriSarabi <donia at vt.edu>
>>>>> wrote:
>>>>>
>>>>>> Hi,
>>>>>> I'm trying to plot the channel spectra and map for my 4 channels EEG
>>>>>> raw data, but when I use the "Channel Spectra and Map" in EEGLAB, I get
>>>>>> this figure with empty spaces for the map (figure below). May I ask if
>>>>>> anyone knows what is the problem?
>>>>>>
>>>>>> Link to the image: http://tinypic.com/r/wi7hb4/8
>>>>>>
>>>>>> P.S: I have signal processing toolbox install on my MATLAB
>>>>>>
>>>>>> Thanks,
>>>>>> Donia
>>>>>>
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>>>>>
>>>>>
>>>>
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>>>
>>>
>>>
>>> --
>>> Makoto Miyakoshi
>>> Swartz Center for Computational Neuroscience
>>> Institute for Neural Computation, University of California San Diego
>>>
>>
>>
>
>
> --
> Makoto Miyakoshi
> Swartz Center for Computational Neuroscience
> Institute for Neural Computation, University of California San Diego
>
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