Dear all,
I am doing my first VBM analysis to assess gray matter volume in patients compared to a control group. The quality of my T1 images varies, e.g. due to eye/head movement artefacts. As the patients tend to move more during the scan, compared to the controls, I am worried that image quality may influence my VBM results as a confound, and I would like to include an index of image quality as a regressor in my statistical group analysis to avoid this.
Has anyone heard of a method or function to automatically estimate the quality of a T1 image?
Many thanks for any help,
Alexa
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