Hi Rick,

From your comment, "That mask aspect is different from the FDR one. Just to be clear, it is only for volume #3 (for cond:group F), or all of them?", I wonder if the output images (+tlrc) could be multiple... I've got only one output image "DBD_adult_28+tlrc", which looks like the mask.

I viewed the output using AFNI viewer (Underlay = MNI_avg152T1; Overlay = the output image). 3dinfo provided the following information for the output image. One of the log message is "Number of values stored at each pixel = 9", but I am not sure how to see these numbers in the mask-looking output image.

-----------
Dataset File: DBD_adult_28+orig
Identifier Code: XYZ_8PUb46gn02n1876r9RGx88 Creation Date:
Template Space: ORIG
Dataset Type: Func-Bucket (-fbuc)
Byte Order: LSB_FIRST [this CPU native = LSB_FIRST]
Storage Mode: BRIK
Storage Space: 16,247,322 (16 million [mega]) bytes
Geometry String: "MATRIX(2,0,0,-90,0,-2,0,126,0,0,2,-72):91,109,91"
Data Axes Tilt: Plumb
Data Axes Orientation:
first (x) = Right-to-Left
second (y) = Posterior-to-Anterior
third (z) = Inferior-to-Superior [-orient RPI]
R-to-L extent: -90.000 [R] -to- 90.000 [L] -step- 2.000 mm [ 91 voxels]
A-to-P extent: -90.000 [A] -to- 126.000 [P] -step- 2.000 mm [109 voxels]
I-to-S extent: -72.000 -to- 108.000 [S] -step- 2.000 mm [ 91 voxels]
Number of values stored at each pixel = 9
-- At sub-brick #0 '(Intercept) F' datum type is short: 0 to 100
statcode = fift; statpar = 1 26
-- At sub-brick #1 'cond F' datum type is short: 0 to 32767 [internal]
[* 0.00148736] 0 to 48.7362 [scaled]
statcode = fift; statpar = 1 26
-- At sub-brick #2 'group F' datum type is short: 0 to 32767 [internal]
[* 0.0015869] 0 to 51.9979 [scaled]
statcode = fift; statpar = 1 26
** For info on all 9 sub-bricks, use '3dinfo -verb' **

I am unfamiliar with AFNI group analyses, and sorry if all my questions are too basic or unclear!

Sophia