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Table 2 First functional session: Group analysis of the contrasts subtraction versus multiplication and multiplication versus subtraction

From: The Influence of verbalization on the pattern of cortical activation during mental arithmetic

Side

Sub > Mult

x

y

z

k

Z

Side

Mult > Sub

x

y

z

k

Z

right

Parietal_Sup

15

-64

52

1465*

Inf

left

Angular

-54

-64

34

369

6.25

left

Parietal_Sup

-12

-67

52

866*

Inf

right

Angular

57

-58

34

502

6.05

right

Caudate

21

14

4

247*

Inf

left

Frontal_Sup

-12

41

49

364

5.57

left

Frontal_Mid

-24

-1

55

114*

7.30

left

Frontal_Inf_Orb

-42

32

-17

85

5.04

left

Putamen

-18

14

1

160*

7.27

left

Temporal_Inf

-57

-22

-26

142

4.92

right

Frontal_Sup

27

2

52

84*

7.10

right

Cingulum

9

-49

31

194

4.88

left

Occipital_Inf

-42

-79

-2

204*

7.00

right

Frontal_Sup

15

35

55

199

4.67

left

Thalamus

-12

-19

10

19*

6.49

left

Insula

-39

-13

7

158

4.36

left

Supp_Motor_Area

3

14

52

48*

6.49

       

left

Precentral

-45

5

31

12*

6.40

       

right

Lingual

24

-55

-2

2*

6.23

       

right

Thalamus

15

-19

10

1*

6.10

       

left

Occipital_Mid

-24

-97

-2

3*

6.07

       
  1. (Abbreviations: k = cluster size, Z = Z-value; activation significant at p < 0.001 uncorrected, p < 0.05 FWE corrected on cluster level)
  2. Coordinates are reported as given by SPM8 (MNI space) and correspond only approximately to Talairach and Tournoux space (Talairach and Tournoux, 1988, Brett et al., 2001). The label denotes the location of the maximum. Abbrevations: Parietal_Sup - superior parietal lobe, Caudate - caudate nucleus, Frontal_Mid - middle frontal gyrus, Frontal_Sup - superior frontal gyrus, Occipital_Inf - inferior occipital gyrus, Supp_Motor_Area - supplementary motor area, Precentral - precentral gyrus, Lingual - lingual gyrus, Occipital_Mid - middle occipital gyrus, Angular - angular gyrus, Frontal_Inf_Orb - inferior orbital frontal gyrus, Temporal_Inf - inferior temporal gyrus, Cingulum - cingulate gyrus, * this activation is part of a bigger cluster