Others

Dear friends,

GLM is very popular as a statistical framework in the fMRI data analysis. In the context of Resting-state Analysis, if we put too many noise components to regress out (e.g. obtained through ICA performed at the earlier stage), is it possible that overfitting occurs?

thank you,

ananda

Dear Chao-Gan,

I use AlphaSim in my VBM workflow to take multiple testing into account when I analyze clusters within ROIs.

Everything seemed to work just fine but for the small structure of the amygdala (bilateral only 1109 voxels, voxel size 1.5 mm) the program stopped with an error message indicating that an index was out of bound:

REST Version: 1.8, Release: 20130615
Citation Information:

I'm wondering why the cortical masks  from HarvardOxford-Cortical are bigger than the one from Brodmann ?