2 Apr
2013
2 Apr
'13
12:42 p.m.
Dear Freesurfers,
I averaged 42 subjects with make_average_subject focusing on Heschl's Gyrus and finally got the image attached (for both atlases (Desikan = Atlas I, Destrieux = Atlas II).
Gray matter surface calculations for Heschl's gyrus showed the following mean values (in mm^2): Atlas I lh = 439 (SD 60), rh = 323 (SD 46) Atlas II lh = 340 (SD 70), rh = 253 (SD 47)
Heschl's gyrus depicted in the attached image looks considerably larger for Atlas II, but the surface analysis gives me smaller values for mean surface calculation (Atlas II < Atlas I)
How can that be explained?
Thanks in advance
Holger
