[FieldTrip] Question about Dr Eric Maris et al. paper
shhirano at npsych.med.kyushu-u.ac.jp
Sun Jan 9 03:03:52 CET 2011
Dear Dr Eric Maris and members of Fieldtrip mailing list
At first, I'm sorry for my poor English.
I'm a post-doc research fellow of Department of Neuropsychiatry,
Kyushu University, Fukuoka, Japan.
I'm studying about auditory abnormalities in mental disorders, for
example, schizophrenia, bipolar disorder, using MEG.
I'm very impressed and interested in Dr Eric Maris and Dr Robert
Oostenveld paper, "Nonparametrical statistical testing of EEG and MEG
data, on Journal of Neuroscience Methods, 2007".
I'd like to apply their stastical methods to our data, but there are
some points that I can't understand in their paper.
Those are about cluster-based statistics.
In the right column in page 180 in their paper, they wrote 5 steps of
statistics methods. At 5th step, they take the largest of the cluster-
level statistics, then how do they test this largest of the cluster-
I thought that, after 5th step, I should make the permutation
distribution of cluster-level statistics of selected cluster, and I
should test the given cluster-level statistics with this permutation
distribution. Is this right?
Any answer will help me.
Shogo Hirano, M.D., Ph.D.
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