Dear Bian,
I'm not quite sure what you are asking. Could you be a little clearer?
Best,
Vladimir
On Thu, Jan 21, 2010 at 11:39 PM, li bian <[log in to unmask]> wrote:
>
> Dear Vladimir,
>
> You mentioned that we could use the output images for the contrast
> statistics. Is the only way to do this? Thanks.
>
> Best,
>
> Bian
>
> ________________________________
> From: [log in to unmask]
> To: [log in to unmask]
> CC: [log in to unmask]
> Subject: RE: EEG source localization
> Date: Fri, 22 Jan 2010 06:41:52 +0800
>
> Thank you, Vladimir! I owe you a lot. There is another question. If we have
> two conditions for EEG test, after their source localization under these two
> conditions, can we make a contrast for these two conditions and see
> which brain area may be more activated under one condition than the
> other. Or before doing source localization, we can subtract EEG signals
> under one condition from other and then import their difference to SPM for
> source localization. Any suggestions will be greatly appreciated.
>
> Best,
>
> Bian
>
>
>
>
>
> ________________________________
> CC: [log in to unmask]
> From: [log in to unmask]
> To: [log in to unmask]
> Subject: Re: EEG source localization
> Date: Thu, 21 Jan 2010 18:55:12 +0000
>
> Dear ,
> There is no such thing as group result in group inversion. The idea is that
> you use all the subjects to inform the source localization but the results
> are individual and then you can summarize them by exporting to images and
> doing SPM statistics (or just averaging with ImCalc).
> Best,
> Vladimir
> On 21 Jan 2010, at 17:46, li bian wrote:
>
> Dear Vladimir,
>
> Is that possible to perform the group EEG source localization with SPM? I
> saw the option with 'group inversion' and tried that for two subjects and it
> looks that the files for individual EEG source localizaton are saved in
> their corresponding files. Are there any files containing the results for
> group EEG source (I mean not just individual ones)? If so, how to display
> them with SPM? Thanks.
>
> Best regards,
>
> Bian
>
>> Date: Tue, 19 Jan 2010 22:40:32 +0000
>> Subject: Re: EEG source localization
>> From: [log in to unmask]
>> To: [log in to unmask]
>>
>> Dear Bian,
>>
>> I can convert the examples of .set files I have and get no error.
>> Please make sure that you have the latest (from last week) version of
>> SPM8 and if you still have the problem with it, send me an example of
>> a file for which you get the error. You can use yousendit.com.
>>
>> Best,
>>
>> Vladimir
>>
>>
>> On Tue, Jan 19, 2010 at 6:09 PM, li bian <[log in to unmask]> wrote:
>> >
>> > Dear Vladimir,
>> >
>> > Yes, I loaded the '.set' file for converting. I am not sure if the
>> > trouble
>> > was caused by the 32 bits.
>> > I appreciate you help! Thanks.
>> >
>> > Best,
>> >
>> > Bian
>> >
>> >> Date: Tue, 19 Jan 2010 17:52:44 +0000
>> >> Subject: Re: EEG source localization
>> >> From: [log in to unmask]
>> >> To: [log in to unmask]
>> >> CC: [log in to unmask]
>> >>
>> >> Dear Li,
>> >>
>> >> Are you sure you selected the '.set' file in Convert? From the error
>> >> you are getting it sounds like you selected the data file (with .eeg
>> >> extension perhaps?) and it was not correctly recognized.
>> >>
>> >> Best,
>> >>
>> >> Vladimir
>> >>
>> >> On Tue, Jan 19, 2010 at 5:45 PM, li bian <[log in to unmask]> wrote:
>> >> >
>> >> > Dear all,
>> >> >
>> >> > Is there anyway to convert the EEG data with .set format (32 bits)
>> >> > from
>> >> > EEGlab for SPM EEG source analysis?
>> >> > I tried to load .set data with 'convert' in the GUI, but it always
>> >> > gives
>> >> > the
>> >> > following errors.
>> >> >
>> >> > -------------------------------------
>> >> > ??? Index exceeds matrix dimensions.
>> >> > Error in ==> read_ns_cnt at 171
>> >> > r.chan.names=char(chandat(1:9,:))';
>> >> > Error in ==> read_header at 1237
>> >> > orig = read_ns_cnt(filename, 'ldheaderonly', 1, 'format', 32);
>> >> > Error in ==> fileio_read_header at 11
>> >> > [varargout{1:nargout}] = funhandle(varargin{:});
>> >> > Error in ==> spm_eeg_convert at 73
>> >> > hdr = fileio_read_header(S.dataset, 'fallback', 'biosig',
>> >> > 'headerformat',
>> >> > S.inputformat);
>> >> > Error in ==> spm_eeg_convert_ui at 89
>> >> > D = spm_eeg_convert(S);
>> >> >
>> >> > ??? Error while evaluating uicontrol Callback
>> >> > ----------------------------------------
>> >> >
>> >> > Any help is highly appreciated.
>> >> >
>> >> > Regards,
>> >> >
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