[Eeglablist] Import 'cnt' files converted from Bisoemi bdf into eeglab

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Wed Sep 11 12:17:54 PDT 2019

Dear Yubin,

The unit of the data must be confused. Usually it is micro volt, but
sometimes data come with volt. Try 10^6 or 10^-6 to scale the data to see
if it helps.


On Fri, Aug 30, 2019 at 2:40 PM Yubin Zhang <pkuzyb at outlook.com> wrote:

> Dear all,
>   We collected some EEG data using Biosemi and then combined the separate
> Biosemi bdf files into a long cnt file using Neuroscan Curry software. Now,
> I am having trouble in importing these ‘converted’ cnt files into eeglab.
> Since the original bdfs files have been lost, I can only work on these cnt
> files. When I imported them, it seemed that the amplitude was unreasonably
> large and it was not possible to do-referencing. So, are there any ways to
> troubleshoot this? For example, how can I check the cnt files manually to
> see what kind of information is missing? Below is a link to the ‘converted’
> cnt files.
> https://drive.google.com/drive/folders/12QQvuGe4UnEpHPruOVkxFRI2dP7VoCl3?usp=sharing
>   Thanks,
>   Yubin
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Makoto Miyakoshi
Assistant Project Scientist, Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego

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