What determines the order of clusters in report function?

[Yune-Sang Lee]

Dear xjView users,

Below are the list of three significant clusters that xjview yielded in Matlab command window.

I'm just wondering why the largest (& most robust) cluster appears as the cluster 2 in xjview's report.
Is there any secret rule behind listing clusters in this software?


Thanks in advance,
ysl




Type: S
df: 1
Threshold
-- p value = 1
-- intensity = -1.633123935319537e+16
-- cluster size = 200
Number of clusters found: 3
----------------------
Cluster 1
Number of voxels: 351
Peak MNI coordinate: 45           36        -0.75
Peak MNI coordinate region:  // Right Cerebrum // Frontal Lobe // Inferior Frontal Gyrus // White Matter // undefined // Frontal_Inf_Tri_R (aal)
Peak intensity: 24.0167
# voxels    structure
  351    --TOTAL # VOXELS--
  350    Right Cerebrum
  253    Frontal Lobe
  210    Inferior Frontal Gyrus
  184    White Matter
  116    Frontal_Inf_Orb_R (aal)
  111    Gray Matter
   94    Frontal_Inf_Tri_R (aal)
   83    Temporal Lobe
   69    Superior Temporal Gyrus
   53    Temporal_Pole_Sup_R (aal)
   40    brodmann area 38
   38    brodmann area 47
   34    Frontal_Inf_Oper_R (aal)
   28    Middle Frontal Gyrus
   26    Temporal_Pole_Mid_R (aal)
   17    brodmann area 45
   10    Sub-Gyral
   10    Middle Temporal Gyrus
    9    Frontal-Temporal Space
    8    Frontal_Mid_R (aal)
    6    Rolandic_Oper_R (aal)
    5    brodmann area 22
    4    Insula_R (aal)
    4    brodmann area 46
    2    Frontal_Mid_Orb_R (aal)
    2    Insula
    2    brodmann area 10
    2    brodmann area 21
    2    Sub-lobar
    1    brodmann area 11
----------------------
Cluster 2
Number of voxels: 581
Peak MNI coordinate: 60          -24        -8.25
Peak MNI coordinate region:  // Right Cerebrum // Temporal Lobe // Middle Temporal Gyrus // Gray Matter // brodmann area 21 // Temporal_Mid_R (aal)
Peak intensity: 26.0903
# voxels    structure
  581    --TOTAL # VOXELS--
  577    Right Cerebrum
  401    White Matter
  372    Temporal Lobe
  231    Temporal_Mid_R (aal)
  195    Parietal Lobe
  188    Middle Temporal Gyrus
  172    Superior Temporal Gyrus
  171    Temporal_Sup_R (aal)
  152    Gray Matter
  101    Inferior Parietal Lobule
   93    Supramarginal Gyrus
   85    SupraMarginal_R (aal)
   74    Angular_R (aal)
   52    brodmann area 21
   49    brodmann area 40
   30    brodmann area 22
   10    Sub-lobar
   10    Insula
    9    brodmann area 13
    7    Sub-Gyral
    6    Angular Gyrus
    4    brodmann area 41
    4    Parietal_Inf_R (aal)
    2    brodmann area 42
    2    Temporal_Inf_R (aal)
    1    brodmann area 37
----------------------
Cluster 3
Number of voxels: 214
Peak MNI coordinate: -60          -51        36.75
Peak MNI coordinate region:  // Left Cerebrum // Parietal Lobe // Supramarginal Gyrus // Gray Matter // brodmann area 40 // SupraMarginal_L (aal)
Peak intensity: 21.0075
# voxels    structure
  214    --TOTAL # VOXELS--
  213    Left Cerebrum
  176    Parietal Lobe
  105    Gray Matter
   98    White Matter
   88    Inferior Parietal Lobule
   84    SupraMarginal_L (aal)
   79    brodmann area 40
   74    Supramarginal Gyrus
   41    Temporal_Sup_L (aal)
   31    Temporal Lobe
   30    Angular_L (aal)
   29    Parietal_Inf_L (aal)
   25    Superior Temporal Gyrus
   18    Temporal_Mid_L (aal)
   11    brodmann area 42
   11    brodmann area 22
    8    Postcentral Gyrus
    6    Sub-lobar
    6    Insula
    6    Angular Gyrus
    6    Middle Temporal Gyrus
    4    brodmann area 13

[Xu Cui]

There is no particular order of the clusters.

Xu

----------------------------------------------------------------
Xu Cui, Ph.D
Department of Psychiatry and Behavioral Sciences
Stanford University
Blog: http://www.alivelearn.net

Profile: http://www.linkedin.com/in/cuixu
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