[Eeglablist] Please: need help with EEGLAB

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Tue Sep 11 18:11:40 PDT 2012


Dear Nahla,

> I've checked the bug list and I found one (819) that have the same error but I am not sure if is due to the same problem that I have.

Very good.
What is your channel 31? EOG or ECG? Check if Ch31 has the same
structure as other EEG channels do.

Makoto

2012/9/11 Ms Nahla Lutfi A Faizo <nahla.faizo at uqconnect.edu.au>:
> Dear Makoto
>
> Thank you for your promp responses.
> You are right, I checked the data and it looks fine, its about the scaling as you have said.
>
> Now, I've done the fastr processing to remove gradient artifacts, the process started fine, until it reached electrode 31 (which took about 3 hours), then a message error came up "matrix dimensions must agree".
>
> I've checked the bug list and I found one (819) that have the same error but I am not sure if is due to the same problem that I have.
> How can I deal with this please?
> I am using the latest version of eeglab 11.0.3.1b.
>
> Cheers
> Nahla
> ________________________________________
> From: Makoto Miyakoshi [mmiyakoshi at ucsd.edu]
> Sent: Tuesday, 11 September 2012 1:37 AM
> To: cvandermaas at hotmail.com
> Cc: Ms Nahla Lutfi A Faizo
> Subject: Fwd: Please: need help with EEGLAB
>
> Dear Christian,
>
> Thank you for your offer. I told him that I don't see any problem in
> his data. What do you think?
>
> Makoto
>
>
> ---------- Forwarded message ----------
> From: Ms Nahla Lutfi A Faizo <nahla.faizo at uqconnect.edu.au>
> Date: 2012/9/6
> Subject: RE: Please: need help with EEGLAB
> To: "mmiyakoshi at ucsd.edu" <mmiyakoshi at ucsd.edu>
>
>
> Dear Makoto,
>
> I downloaded the latest version of eeglab which is eeglab11_0_3_1b.
> When I imported the EEG data that I acquired during fMRI, it looked
> weird (attached figure).
>
> What could be the problem now? Bear in mind I did import EEG data from
> an earlier experiment and il looked different but more
> realistic(attached figure).
>
> Can you help me with this please.
>
> Cheers
> Nahla
>
> ________________________________________
> From: Makoto Miyakoshi [mmiyakoshi at ucsd.edu]
> Sent: Friday, 7 September 2012 8:27 AM
> To: Ms Nahla Lutfi A Faizo
> Cc: eeglab at sccn.ucsd.edu
> Subject: Re: Please: need help with EEGLAB
>
> Dear Nahla,
>
> Would you please make sure that you are using the latest version of
> EEGLAB? Which version are you using right now?
>
> Makoto
>
>
> Dear Sir/Madam,
>
> I am doing EEG-fMRI for my research project.
> Now, after I imported the data using FILE-IO toolbox on eeglab, as
> described in the tutorial on EEG-fMRI data, i went to tools-->FMRIB
> tools-->FASTR to remove the gradient artifacts. I've used the default
> numbers that the tutorial suggested which were: low pass filter 70,
> interpolation 10, averaging window length 30, artefact timing event
> slice, non-EEG channels 32 (which is the EEG), but it keeps giving me
> an error message that subscipt indices must either be real positive
> integers or logicals.
>
> What does this mean and do you know how to deal with this problem?
>
>
> Regards
> Nahla Faizo
> PhD student, Centre for Adbanced Imaging
> The University of Queensland, Australia
>
>
> --
> Makoto Miyakoshi
> JSPS Postdoctral Fellow for Research Abroad
> Swartz Center for Computational Neuroscience
> Institute for Neural Computation, University of California San Diego



-- 
Makoto Miyakoshi
JSPS Postdoctral Fellow for Research Abroad
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego



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