Hi Theo, 

- not sure what test you mean. Have a second person correct the data and compare ?

- you can run 1.5. and 3 T data in the longitudinal pipeline, however (similar to cross sectional processing) you will not know if the differences of the results are due to anatomical changes or due to scanner differences. 

Best, Martin


On 14. Jun 2017, at 03:27, AKUDJEDU, THEOPHILUS <T.AKUDJEDU1@nuigalway.ie> wrote:

Hi All,

Is it standard practice to conduct  test when corrections are made in freesurfer for subcortical structure volumes?

Also, are you able to analyse data acquired (1.5T - time point one) with time-point two (3T) in the longitudinal pipeline?


Thanks


Theo

From: AKUDJEDU, THEOPHILUS
Sent: Tuesday, June 13, 2017 3:19:00 PM
To: freesurfer@nmr.mgh.harvard.edu
Subject: Longitudinal Pipeline
 

Hi All,

Is it standard practice to conduct reliability when corrections are made in freesurfer for subcortical structure volumes?

Also, are you able to analyse data acquired (1.5T - time point one) with time-point two (3T) in the longitudinal pipeline?


Thanks


Theo





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