Dear freesurfer experts,
i am really a newbie in freesurfer. I want to compare the thickness between different ages. Is it correct to use gender as fixed factor, to look for its influence on thickness ? If i find no effects of gender on thickness i can put the factor gender out of the model ? Otherwise if there will be effects of gender on thickness it remains in the model. So that the effect of age on thickness can be questioned like this: Does the correlation between thickness and age, accounting for gender, differ from zero? Best regards Daniel
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