Hi Sameer,

I don't think it'll affect your results, but before you rerun recon-all 
with -notal-check flag, check the registration in tkregister2 and make 
sure it's correct.


Sita.



On Wed, 22 Jul 2009, sameer kumar wrote:

> hi all,
> I ran recon-all on a case, and it exited with errors, and the error message
> looks like this:
>
> ERROR: Talairach QA check failed!
>       z-score = -6 <= -6 = threshold
> Manual Talairach alignment may be necessary, or
> include the -notal-check flag to skip this test,
> making sure the -notal-check flag follows -all
> or -autorecon1 in the command string.
>
> will there be a difference in the results if i use that flag to skip the
> test?
>
> Thanks,
> Regards,
> Sameer
>
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