Table 3.

Clusters from Successful Stop versus Go fMRI contrast and negative correlation with SSRT

Brain regionHemisphereVoxelsMaximum Z-statisticxyz
Successful stop versus Go fMRI
    Anterior insulaR15365.663620−10
        Inferior frontal gyrus, pars opercularis4.05481016
        Precentral gyrus4.3246442
    Anterior insulaaL6995.24−3218−6
    Supplementary motor area/pre-supplementary motor area/rostral anterior cingulateaR5854.7141448
    Middle frontal gyrus/frontal poleR1884.09325022
L2213.53−344622
    Superior temporal gyrus/supramarginal gyrusR30845.4964−348
L23645.32−62−4216
    Occipital poleL7924.20−16−1000
R1884.09325022
Negative correlation of SSRT and Successful Stop versus Go fMRI
    Superior frontal gyrusaR14333.2745832
        Frontal pole2.92186216
        Rostral anterior cingulatea2.202406
    Inferior frontal gyrus, pars orbitalisaL10613.33−40466
    Anterior orbital gyrus3.28−2054−12
    PutamenR8093.422014−2
        Caudate3.15121010
        Thalamus3.0610−48
    Angular/supramarginal gyriL6493.14−50−6040
        Lateral occipital gyrus2.93−50−7218
    CerebellumR/L22573.688−84−30
  • Z-statistics and x, y, and z MNI coordinates (mm) are from the location of peak voxel within each cluster (or local maxima within clusters, indicated by indented regions). Z-statistic maps were whole-brain cluster-corrected at Z > 1.96, p < 0.05. No regions showed significant clusters for positive correlation with SSRT.

  • aRegions showing overlap with whole-brain correlation of caudate BPND and Successful Stop versus Go fMRI (Figure 3, Table 4).