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entry variable: mskup: $upstatpatt_m -- reg/upsamp
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default: */scan1/NO_SUBSTAT_f+orig.BRIK

The "mskup:" entry shows the name of the current
registered- and upsampled-resolution 3D
statistical mask volume (e.g., F-value) that
accompanies a statistical amplitude (val) file.
This mask will typically have been previously
generated by tkmedit (using the "W" button on the
"mskup:" line).

This entry controls the filename for the
statistical mask data that has already been
registered to the structural and upsampled to
the same resolution (1mm^3 or 0.5mm^3) (entry
label is: "mskup:").

The entry state can be toggled to read native
resolution data by clicking the bold label
("mskup:").

The file name must be a float BRIK.

The current session directory (typically
YYMMDDII/image) can be abbreviated as an asterisk
(*). Absolute name OK, too.  Relative name
appended to current scandir.
