Hi Jens,
save the result map (i. e. the T-values) and overlay them in a graphic
software tool with your background image, so you are in control of the
color settings and relation between T-value and color. Tools such as
MRICROn also allow for surface renderings if desired.
Best regards,
Philipp
At 10:40 21.05.2012 +0200, Jens Kronschnabel wrote:
>Dear SPMers,
>
>I depict, in the same figure, Bold activations rendered on the single
>subject cortex originating from different GLMs. I prefer using old-style
>rendering with a gradient colorbar. I assume that SPM sets the range of
>the colorbar according to min and max values of the underlying data.
>This causes the problem that weaker effects, in absolute terms, of one
>GLM (with overall weaker effects) appear more significant (more yellow)
>than stronger effects, in absolute terms, of another GLM (with overall
>stronger effects). I couldn't find any helpful threads on this in the list.
>Does anyone know how to set the range of the colorbar manually for SPM
>rendering (Basically I am happy with entering just one max value
>somewhere for all of my analyses)? Or some other quick fix to this problem?
>I'd be very grateful.
>
>Best
>Jens
>
>
>
>
>--
>Jens Kronschnabel, Ph.D. student
>
>Department of Child and Adolescent Psychiatry, University of Zurich
>Neumünsterallee 9, CH-8032 Zürich, Switzerland
>
>+41 43 556 4081
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>--
>
>
Max Planck Institute of Psychiatry
NMR Research Group
Kraepelinstr. 2-10
80804 Munich
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Phone: 0049-89-30622-413
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