Dear SPM experts
In the paper "VBM - the methods" by Ashburner & Friston, NeuroImage 2000, it
is said that a cluster extent statistic is not valid in VBM due to the
nonstationary of the smoothness.
But when I correct for the nonstationary of the smoothness in my data (using
C.Gaser's or S.Hayasaka toolbox), I assume that a cluster extent statistic
is as valid as a height statistic, isn't it?
Thanks
Regards
Jürgen
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Juergen Haenggi
Ph.D. (Dr. des.)
Division Neuropsychology
Institute of Psychology
University of Zurich
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