Hi Lucina,
As chun suggested the best thing for you to do is to run melodic from the command line, that way none of the pre-processing steps will be performed.
hth
Christian
On 9 Nov 2009, at 22:07, Lucina Uddin wrote:
> Hi Chun,
>
> Thank you for your response. Yes, I was using the GUI. However, it seems
> that one is not able to deselect 'standard space registration' for
> multisession temporal concatenation (it seems that this option can only be
> deselected for single-session ICA).
>
> Any thoughts on why standard-space registration is hard-wired for this form
> of melodic, and whether there may be some other way around it?
>
>
> Best,
> Lucina
>
>
>
>
> On Mon, 9 Nov 2009 00:10:37 +0800, Chun Meng <[log in to unmask]> wrote:
>
>> Hi, Lucina
>>
>> Did you run GUI-based processing? If so, typing in "Melodic", you can
>> disable the button for standard space in registration to avoid repeated
>> normalisation. Likewise, other optional processing could be shut down.
>>
>> Another better way is script-based processing in my experience. As you have
>> normalised datasets, just type in "melodic", which gives tips.
>>
>> For example:
>> melodic -i list_file_name.txt -o out_dir -m brain_mask --report --tr -a
>> concat -d IC_number
>>
>> list_file_name.txt could be:
>> $inpath/sub1.nii.gz
>> $inpath/sub2.nii.gz
>> ...
>> Best
>> --
>> Chun Meng, Master candidate
>> NeuroImage Computing group,
>> National key Laboratory of Cognitive Neuroscience and Learning,
>> http://psychbrain.bnu.edu.cn/en/index.htm,
>> Beijing Normal University,
>> Beijing 100875, China
>> --
>> I am focusing on brain mechanism and probe into it by fMRI, sMRI, DTI.
>> I am interested in the related PhD program started in fall, 2010.
>>
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