7/2/2004
SSCC/NIMH 38
Sample FMRI data: Eccentricity
Mapping
¥Scan Parameters:
HEPI: NIH-EPI, TR=2sec, 17 Coronal Slices, 134 samples, 3.75 x 3.75 x 4 mm
HAnat: SPGR, 0.94 x
0.94 x 1.1, 120 axial slices
¥Stimulus Timing:
¥Activation delay estimated
with 3ddelay
¥Demo:
HRotate color map in
AFNI and watch changes in SUMA
ånote how colors
progress along the calcarine sulcus
åtry the dance on
inflated and spherical surfaces
0
10
30
ON
OFF
s.
60
Eccentricity
0
10 s.