Dear Peter,
On Wed, 14 Feb 2018 12:33:29 +0100, Peter Erhard <[log in to unmask]> wrote:
>Dear SPM CAT12 experts,
>
>I am starting to process multicenter data using CAT12.
>I noticed that some data has been acquired using an inversion time of 900ms,
>other data with TI of 1100ms.
To be on the safe side you can model this as additional scanner (scanner should be model in multi-center studies anyway), but I am not sure how large the differences will be due to the different inversion time at all. You can also additionally model sequence and test whether there are any differences between the inversion times. If not you probably can ignore this.
Best,
Christian
>Is it possible to do VBM statistics on these mixed data and how would
>one go about?
>
>Thank you in advance!
>
>Peter
>
>--------------------------------------------------------------------------------------
>
>Peter Erhard
>AG in-vivo MR
>Universität Bremen
>
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