[Eeglablist] fmrib toolbox error

[Joshua Balsters]

hi Makoto

Thanks for you help! I realised the problem was the gap between
sessions in my EEG data, so the TR markers became greater than 2s
during these periods which confused the algorithm

Josh

2009/12/8 Makoto Miyakoshi <mataothefifth at yahoo.co.jp>:
> Dear Joshua,
>
> Have you read eeglab bugzilla buglist 576 and 584?
> There are several other reports there.
>
> From my experience, that type of error occurs when
> 1. event marker is too close to the segment onset
> 2. after downsampling. This moves the segment onset to the negative value
> which is invalid.
>
> For the first case, delete first several events and it will work.
> For the second case, re-enter 0 to the segment onset latency and it will
> work.
>
> If you can't solve the problem even after trying these two let me know.
>
> Makoto
>
> --- Joshua Balsters <jhbalsters at gmail.com> wrote:
>
>> Hi all
>>
>> I'm trying to use the fmrib toolbox for MR gradient artifact
>> correction and keep getting an error message during the artifact
>> subtraction saying that "line 746 of fmrib_fastr(); index exceeds
>> matrix dimensions". I've gone through the code as best I can and I
>> think this has something to do with the MRI volume markers and
>> calculating the artifact template but i'm not quite sure. Could
>> anyone
>> point me in the right direction with this?
>>
>> Thanks
>> Josh
>>
>> --
>> Joshua Henk Balsters, PhD
>> Visiting Research Fellow
>>
>> Trinity College Institute of Neuroscience
>> Lloyd Building
>> Trinity College Dublin
>> Dublin 2
>> Ireland
>>
>> Tel: +353 1 896 8405
>> http://people.tcd.ie/balsterj
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>
>



-- 
Joshua Henk Balsters, PhD
Visiting Research Fellow

Trinity College Institute of Neuroscience
Lloyd Building
Trinity College Dublin
Dublin 2
Ireland

Tel: +353 1 896 8405
http://people.tcd.ie/balsterj