Table 1.

Spatial coordinates of the local maxima of brain regions showing significant effects in the different contrasts

ContrastAnatomical regiont valueCluster sizeCorrected p valueStereotactic coordinates (x, y, z)
Error > correct
    R posterior medial frontal cortex (BA 6/8/32)6.97279<0.00014, 32, 38
    R anterior inferior insula (BA 47)8.24668<0.000130, 24, −12
    L anterior inferior insula (BA 47)7.92463<0.0001−40, 22, −10
Positive outcome > negative outcome
    L ventral striatum7.46711<0.0001−22, 2, −12
    R ventral striatum7.36302<0.000128, 0, −14
    R dorsal striatum7.32214<0.000130, −16, 6
    R posterior cingulate (BA 31)6.84100<0.00016, −40, 36
Agency × correctness (observed error processing > own-error processing)**
    R ventral striatum11.081046<0.000114, 6, −12
    L ventral striatum9.49970<0.0001−16, 6, −10
    Posterior cingulate (BA 31)6.20202<0.000112, −44, 36
  • Stereotactic coordinates correspond to the standard Montreal Neurological Institute brain.

  • **Neither the remaining two-way interactions nor the three-way interaction (agency × correctness × context) showed any significant activations. R, Right; L, left.