Hi Judith,

Yes thickness. The MAX indicates the maximum -log10(pvalue) in that cluster.

> Hi all. After looking over our monte-carlo results, I a simple question
> about the sig.cluster.summary output.
>
> Is the " Max" in column 2 below a measurement of thickness?
> thickness, is the correct interpretation the following: the most
> significant
> cluster is in the laterorbitofrontal region.
yes at lateral orbital frontal.
The max vertex in that
> cluster
> has an average thickness of 3.312 mm and the negative directionality
> indicates that it is thinner in that region than in the fsaverage (from
> freesufer) used in the group analysis/simulations?
yes you are correct.
> If it does not refer to thickness, is it a statistic, etc?
>
> # Minimum Threshold 2
> # Maximum Threshold infinity
> # Threshold Sign    abs
> # AdjustThreshWhenOneTail 1
> # Area Threshold    0 mm^2
> # CSD thresh  2.000000
> # CSD nreps    10000
> # CSD simtype  mc-z
> # CSD contrast lh-Avg-thickness-CAQ-CCI
> # CSD confint  90.000000
> # Overall max 2.05497 at vertex 92846
> # Overall min -3.3122 at vertex 60632
> # NClusters          11
> # Total Cortical Surface Area 65416.6 (mm^2)
> # FixMNI = 1
> #
> # ClusterNo  Max   VtxMax   Size(mm^2)  TalX   TalY   TalZ    CWP
> CWPLow    CWPHi   NVtxs   Annot
>    1       -3.312   60632    278.00    -15.2   47.7  -15.4  0.08250
> 0.07900  0.08600   341  lateralorbitofrontal
>    2       -3.231   51202    118.54    -39.5   24.9   16.9  0.53620
> 0.52980  0.54260   212  rostralmiddlefrontal
>    3       -3.229   67407    163.06    -19.2   12.0   46.9  0.36360
> 0.35740  0.36980   337  superiorfrontal
>    4       -2.463  117667     37.51    -47.8  -50.8    8.0  0.63240
> 0.62620  0.63860    79  bankssts
>    5       -2.379  151243     12.92    -30.9  -42.8   36.6  0.63240
> 0.62620  0.63860    38  superiorparietal
>
> I am trying to finish writing up my results and just need answer to this
> question to continue.
>
> Thanks,
>
> Judith S.
> Mind Research Network
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> Freesurfer@nmr.mgh.harvard.edu
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