¥With both SUMA and AFNI
running
HPress ÔtÕ in the
suma window to establish a connection to AFNI and send the mapping reference surface(s).
HIf you open the surface volume in AFNI, you should see
the surface overlaid on top of it.
åSwitch Underlay to DemoSubj_SurfVol+orig and open an axial view. You will see a trace of the intersection of the
surface with the anatomical slices
displayed.
íYou could also see boxes representing the nodes that are
within +/- 1/2slice from the center of the
slice in view.
íColors and node box visibility can be changed to suit
your fancy from the Control Surface button in AFNI.
HNavigate through the volume in AFNI.
åmake sure you have an excellent alignment between volume
and surface
åmake sure surface adequately represents areas of the
brain that are difficult to segment
íoccipital cortex
íinferior frontal and inferior temporal regions