Hi Ian,
nope, I'm afraid your run aborted at some point before the ICA
unmixing - probably of something 'strange' in the data. IOf you
upload it to
http://www.fmrib.ox.ac.uk/cgi-bin/upload.cgi
and then email me the upload ID I can have a look
cheers
christian
On 9 Feb 2006, at 18:36, Ian Greenhouse wrote:
> Hi Christian,
>
> Thanks, but it appears as though it did finish. I have a attached
> a copy
> of the report log.
>
> Thanks again,
> Ian Greenhouse
>
>> Hi Ian,
>>
>> I guess that there are 0 components because it didn't actually finish
>> - is that possible? The easy way to find out is to check the report
>> file in the blah.ica directory
>> cheers
>> christian
>>
>> On 9 Feb 2006, at 14:08, Ian Greenhouse wrote:
>>
>>> Hi,
>>>
>>> I attempted to run ICA on data that was preprocessed in SPM and
>>> converted to
>>> nifti format using avwmerge. The resulting ICA report revealed 0
>>> components, which was unexpected because I'm pretty sure the data
>>> was
>>> acquired from a living person. When I viewed the nifti file in
>>> movie mode
>>> in FSLview it appeared as though the image had an inordinate
>>> amount of
>>> spiking. This explains why no components were pulled out. Is this
>>> due to
>>> the lack of prewhitening in SPM? Is there a way to correct for
>>> this without
>>> repeating the preprocessing in FSL? I have not yet tried running
>>> FEAT on
>>> this data.
>>>
>>> Thanks,
>>> Ian Greenhouse
>>
>> --
>> Christian F. Beckmann
>> Oxford University Centre for Functional
>> Magnetic Resonance Imaging of the Brain,
>> John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK
>> Email: [log in to unmask] - http://www.fmrib.ox.ac.uk/
>> ~beckmann/
>> Phone: +44(0)1865 222551 Fax: +44(0)1865 222717
>>
>
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> <report.log>
--
Christian F. Beckmann
Oxford University Centre for Functional
Magnetic Resonance Imaging of the Brain,
John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK
Email: [log in to unmask] - http://www.fmrib.ox.ac.uk/~beckmann/
Phone: +44(0)1865 222551 Fax: +44(0)1865 222717
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