<https://www.mail-archive.com/search?l=freesurfer@nmr.mgh.harvard.edu&q=from:%22Douglas+N+Greve%22>
Thank you for the insight; that is very interesting. I'm performing tests of continuous independent variables over a single sample of normally developing children (ages uniformly distributed from 8 to 15 along with 50/50 gender split). The IV is, for example, age-normed cognitive scores falling in a normal distribution. Since there is only one group, I suppose creating my own template from all samples could introduce significant bias; especially if there are hidden sources of heterogeneity I'm unaware of. Thank you. Best, Chintan On 11/09/2017 07:07 AM, Greve, Douglas wrote: > It might capture specific anatomical features that are unique to your > data set. It can be tricky though as you need to make sure to include an > equal mix of all your groups. Eg, if you have 20 ADs and 10 controls, > you'd need to make an atlas with 10 ADs and 10 controls.
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