[Eeglablist] Problem Importing Brain Vision Pycorder files

[Brittany Alperin]

Hi Kira

We use a 32 channel brain vision cap in our lab. Here is the channel
montage we use.

https://drive.google.com/file/d/0B0aDbnrhCvu6Qm00Znd4cUE5VEU/view?usp=sharing

Hope that helps!
Brittany


On Wed, Jun 22, 2016 at 1:49 PM, Kira Bailey <kmbailey at owu.edu> wrote:

> Thanks so much! Do you happen to know how to get the channel locations for
> Brain Vis, as well? I tried using the standard BESA file like I did with
> the 32 channel Neuroscan system I used to use, but it doesn't seem to
> autodetect the channel locations for this system. I'm guessing I need a
> different file specific to the Brain Vis data?
>
> Kira
>
>
> On Wed, Jun 22, 2016 at 1:54 PM, Andreas Widmann <widmann at uni-leipzig.de>
> wrote:
>
>> Hi Kira,
>>
>> > I am using Brain Vision Pycorder to record EEG, and I am having some
>> difficulty getting the data to visualize correctly in EEGLab. I have tried
>> importing the data using the BIOSIG interface and the Brain Vis Rec.vhdr
>> plugin both with the same result. Basically, all of the information about
>> the dataset looks correct, but when you plot the data it looks as if
>> channels are missing. We know these channels weren't missing when we
>> recorded. Here is a link to one of our data files:
>> https://drive.google.com/a/owu.edu/folderview?id=0B3AY5KURwf-_SkdvVG5scHU1cG8&usp=sharing
>> The data look ok and all 32 channels are imported (using „From Brain Vis.
>> Rec. .vhdr file“ method; did not test BIOSIG). The data have a strong DC
>> offset. When plotting please try first menu Display -> Remove DC offset
>> (channels are basically plotted outside of the window and thus invisible).
>> Alternatively you may apply a high-pass filter before plotting and further
>> analysis. Note: the vmrk files actually do not include any markers. Thus,
>> no triggers will be imported.
>>
>> Hope this helps,
>> Andreas
>> --
>> Institute of Psychology, University of Leipzig
>> Neumarkt 9-19                      Phone: +49 341 97-39568
>> D-04109 Leipzig                          Fax: +49 341 97-39265
>> E-mail: widmann at uni-leipzig.de
>> Web: http://www.uni-leipzig.de/~biocog/widmann/
>>
>>
>
>
> --
> Kira Bailey, PhD
> Assistant Professor
> Department of Psychology
> David O. Robbins Neuroscience Program
> Ohio Wesleyan University
>
> Office: 52K Phillips Hall
> Phone: 740.368.3808
>
> *Have a scientastic day! ~Dr. Venture*
>
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