[Eeglablist] Fwd: regarding the 31 channels+reference from brainvision

[Stephen Politzer-Ahles]

I think I remember the same thing happening to me when I used Brain Vision,
and I just added a new channel at the end, called it Fz, and declared it as
the reference. After that I was able to proceed as normal.

I'm not sure what you mean by "when trying to plot the data I can't see all
channels". What kind of plot are you trying to make, what button are you
clicking or what code are you running, and what do you end up seeing and
what is missing?

---
Stephen Politzer-Ahles
The Hong Kong Polytechnic University
Department of Chinese and Bilingual Studies
http://www.mypolyuweb.hk/~sjpolit/
<http://www.nyu.edu/projects/politzer-ahles/>


On Sun, Nov 11, 2018 at 2:15 AM A S <eng.emetsasa at gmail.com> wrote:

> Hi all,
> I have recorded eeg data from brainvision. It's 31 channels + 1
> channel as reference (Fz). However there is
> no information about the reference channel Fz. Recorded information
> are only for the 31 channels.
> I could import the brainvision eeg data into eeglab by installing
> brainvision extension from File -> Manage EEGLAB Extensions -> Data
> import extensions -> import Brain Vision Analyzer data files. When
> trying to plot the data I can't see all the channels. So I think this
> is a reference problem.
> Since the channels don't have reference. The problem is that I can't
> tell eeglab that Fz is the reference. Because it's not in the data.
> And I don't have information about the Fz except that it's the
> reference.
>
> Thanks in advance for the help
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