My guess is that changes in the anatomy over a year will be pretty small, unless there is something extreme about your population

On 9/9/2020 7:36 PM, Zeng, Qi wrote:

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Hi,

I was conducting a longitudinal DTI analysis. However, MRI and DTI brain scans were scheduled at different time frames. Should I be concerned that for example MRI was taken at 9/1/2006 and nearby DTI was taken on 10/1/2007 or 10/1/2009, which may result in misregistration of DTI given MRI morphology.

Best,

Qi
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