[Eeglablist] Problem with markers the events and extract epochs

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Thu Sep 17 18:47:42 PDT 2015

Dear Jason,

I've never used Emotive so want to confirm basic things. Are you sure that
Emotive stores event data in data channel? If so, do you know the data
format? Does EEGLAB supports Emotive channel event format? I hope some
Emotive users on the list can help us.


On Sat, Sep 5, 2015 at 2:09 PM, jason roger <jasonroger8 at gmail.com> wrote:

> Dear all,
> I used Emotiv Epoc device to do an EEG experiment. Before starting the
> experiment, I inserted the markers from Emotiv manually to determine the
> events and see them on EEG data later. Then, performing the experiment and
> collected the data. After loadeding the data into EEGLAB, while performing
> a preprocess phase, I imported the event as follows: Import event info ->
> form data channel. I found thousand of the events except those that I
> marked in Epoc,i.e., I didn't find the events that I marked or inserted
> manually using Emotive earlier. The thousands events I found like this:
> 2.954, -5.8062, 19.4904, etc. On the other hand, in the "Extract epochs"
> option, it's very difficult to select the events because my event that I
> marked or inserted are not there, and when I selected all events, and
> pressed OK, the computer either hanged, or I had an error message like the
> one in the attached file.
> I don't know what to do without events and epochs, and I don't know what
> to do with this situation.
> Any advice would be greatly appreciated.
> Regards,
> Jason​
>  error message of extracting epochs.png
> <https://drive.google.com/file/d/0By8KMWYyyc7IeE0zNUlSREhOOTg/view?usp=drive_web>
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Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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