[Eeglablist] Epoch extraction issue

Arnaud Delorme arno at ucsd.edu
Wed May 1 11:44:28 PDT 2019

Dear Hummad,

This is likely because your EDF file either (1) does not contain event (you need events to extract epochs) or (2) you have not extracted events from the event channels (this may be achieved using EEGLAB menu item File > Import event info > From data channel).

Best wishes,


> On Apr 21, 2019, at 12:54 AM, hummad_qazi <hummad_qazi at yahoo.com> wrote:
> Dear All,          I haev eight channel data from AD isntruments EEG device. Data was in Labchart format and I converted into .edf and imported into EEGLab and when I tried to extract the Epochs it does not work, just only 1 epoch. it asks to remove the baseline I select Yes and still 1 epoch. My data ranges from 3 minutes to 14 minutes but same issue with every file.any suggestions will be appreciated.
> Thank you.
> Regards,Hamad Javaid.
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