2 seconds is probably worth fixing. You could use MELODIC ICA
analysis to find out what's going on in your data.
Steve.
On 19 Jul 2007, at 18:53, Manish Dalwani wrote:
> Hello Neuroimaging folks,
>
> I have a rapid event related task which has 3 runs each 10 mins 23
> secs long. In the last run for some wierd technical reason, the
> timing is off by 2 secs...i.e. the scan ran for 10:23 but the task
> (which has some MR Triggered events) finished in 10:21 secs. Should
> I then just discard this data? How critical is 2 secs?
>
> Is there any way to tap in the data and look for possible
> variations and catch it then? In short, I'd hate to throw out data
> if there is a possible fix.
>
> Kindly advise.
>
> Manish Dalwani
> Sr. PRA
> Dept. of Psychiatry
> UCHSC
>
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
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