afni.nimh.nih.gov

Hengyi,

The random-effects specification

-ranEff "~1+Scanner ~1+ScanPoint" \

should be just a random slope in your case with a within-subject factor:

-ranEff "~1" \

Also do you mean to add 'Scanner' as an explanatory variable?

-model "Group*ScanPoint+Sex+Age+TIV+Scanner" \

Gang