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Table 1. 

The Effect of the Onset and End of Word Interference

(a) Stroop Task Only (fMRI Analysis 1)
Sum of Onset + End [+cI] + [−iC]
End Only [−iC]
Onset Only [+cI]
Onset (from n and c) [+cI + nI] > [+cN + nC]
x
y
z
Z
k
x
y
z
Z
k
x
y
z
Z
k
x
y
z
Z
k
Whole-brain Analysis
Left head of caudate/globus pallidus −18 +14 +6 3.3 128 −14 +16 +4 3.1 ns ns 
 −16 +16 −4 4.7  −12 +16 −4 4.0           
 
Regions of Interest 
Left ventral anterior cingulate −10 +36 +8 3.7 68 −10 +38 +8 3.2 ns ns 
Left inferior frontal ns ns −50 +18 +30 2.9 −40 +18 +22 3.4 43 
Right inferior frontal +52 +10 +10 3.5 +56 +14 +8 1.8 +52 +8 +10 3.5 +50 +10 +8 4.0 43 
 

 

 

 

 
Sum of Onset + End [+cI] + [−iC]
 
End Only [−iC]
 
Onset (from n and c) [+cI + nI] > [+cN+nC]
 

 

 

 

 

 

 

 

 

 
Coordinates
 
Z Scores
 
Z Scores
 
Z scores
 

 

 

 

 

 

 

 

 
(b) Stroop and Simon (fMRI Analysis 2)
 
x
 
y
 
z
 
Stroop
 
Simon
 
Stroop > Simon
 
Stroop
 
Simon
 
Stroop > Simon
 
Stroop
 
Simon
 
Stroop > Simon
 

 

 

 

 

 

 

 

 
Left Head of Caudate/Globus Pallidus −18 +18 3.2 ns 2.7 3.4 ns 2.5            
 −16 +16 −4 4.2 3.4 ns 3.9 2.6 ns ns         
Left ventral ACC −8 +38 +6 3.7 ns 3.3 3.7 ns 3.3            
Left inferior frontal −48 +22 +8 ns ns 2.0 3.2 ns         
 −40 16 +22       3.6 2.4 3.1         
Right inferior frontal +48 +16 +8 ns ns 4.2 3.2 ns         
(a) Stroop Task Only (fMRI Analysis 1)
Sum of Onset + End [+cI] + [−iC]
End Only [−iC]
Onset Only [+cI]
Onset (from n and c) [+cI + nI] > [+cN + nC]
x
y
z
Z
k
x
y
z
Z
k
x
y
z
Z
k
x
y
z
Z
k
Whole-brain Analysis
Left head of caudate/globus pallidus −18 +14 +6 3.3 128 −14 +16 +4 3.1 ns ns 
 −16 +16 −4 4.7  −12 +16 −4 4.0           
 
Regions of Interest 
Left ventral anterior cingulate −10 +36 +8 3.7 68 −10 +38 +8 3.2 ns ns 
Left inferior frontal ns ns −50 +18 +30 2.9 −40 +18 +22 3.4 43 
Right inferior frontal +52 +10 +10 3.5 +56 +14 +8 1.8 +52 +8 +10 3.5 +50 +10 +8 4.0 43 
 

 

 

 

 
Sum of Onset + End [+cI] + [−iC]
 
End Only [−iC]
 
Onset (from n and c) [+cI + nI] > [+cN+nC]
 

 

 

 

 

 

 

 

 

 
Coordinates
 
Z Scores
 
Z Scores
 
Z scores
 

 

 

 

 

 

 

 

 
(b) Stroop and Simon (fMRI Analysis 2)
 
x
 
y
 
z
 
Stroop
 
Simon
 
Stroop > Simon
 
Stroop
 
Simon
 
Stroop > Simon
 
Stroop
 
Simon
 
Stroop > Simon
 

 

 

 

 

 

 

 

 
Left Head of Caudate/Globus Pallidus −18 +18 3.2 ns 2.7 3.4 ns 2.5            
 −16 +16 −4 4.2 3.4 ns 3.9 2.6 ns ns         
Left ventral ACC −8 +38 +6 3.7 ns 3.3 3.7 ns 3.3            
Left inferior frontal −48 +22 +8 ns ns 2.0 3.2 ns         
 −40 16 +22       3.6 2.4 3.1         
Right inferior frontal +48 +16 +8 ns ns 4.2 3.2 ns         

(a) Analysis 1 (Stroop only); (b) Analysis 2 (Stroop and Simon). The location of the effects is given in x, y, z coordinates in MNI space. Z = Z score associated with each effect; k = the number of voxels at p < .001, uncorrected; ns = no significant voxels at p < .05, uncorrected. Bold indicates significance at the whole-brain level in extent (>120 voxels at p < .001). The location of these effects is illustrated in Figures 5 and 6. In the contrast description (top row), uppercase letters refer to events (Congruent or Incongruent) and lowercase letters refer to the previous trial (either congruent, incongruent, or neutral).

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