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Table 2. 

Main Effect of Task on Brain Activation

Area
H
Coordinates
Common Conceptual
Quantity Only
Nonquantity Only
Numbers Only
Object Names Only
x
y
z
Z Scores
Occipital 24 −104 6.5 5.7 6.2 5.7 6.2 
28 −92 −4 5.7 4.8 5.6 5.5 5.0 
14 −106 5.7 5.4 5.3 5.0 5.5 
14 −106 16 5.5 5.7 4.5 4.0 6.0 
−18 −102 7.5 6.8 7.0 5.6 6.8 
−32 −96 −2 5.7 5.1 5.4 4.8 5.7 
−24 −88 −10 5.8 5.0 5.8 4.7 5.9 
Posterior IPS 30 −58 56 6.6 5.0 4.9 3.8 3.5 
−26 −64 54 5.3 5.1 4.9 5.3 4.1 
Inferior frontal 46 26 22 5.0 3.7 5.4 5.4 3.7 
Cerebellum 38 −76 −20 5.3 5.0 4.9 4.7 5.0 
22 −78 −20 4.8 4.1 4.7 3.5 5.2 
Area
H
Coordinates
Common Conceptual
Quantity Only
Nonquantity Only
Numbers Only
Object Names Only
x
y
z
Z Scores
Occipital 24 −104 6.5 5.7 6.2 5.7 6.2 
28 −92 −4 5.7 4.8 5.6 5.5 5.0 
14 −106 5.7 5.4 5.3 5.0 5.5 
14 −106 16 5.5 5.7 4.5 4.0 6.0 
−18 −102 7.5 6.8 7.0 5.6 6.8 
−32 −96 −2 5.7 5.1 5.4 4.8 5.7 
−24 −88 −10 5.8 5.0 5.8 4.7 5.9 
Posterior IPS 30 −58 56 6.6 5.0 4.9 3.8 3.5 
−26 −64 54 5.3 5.1 4.9 5.3 4.1 
Inferior frontal 46 26 22 5.0 3.7 5.4 5.4 3.7 
Cerebellum 38 −76 −20 5.3 5.0 4.9 4.7 5.0 
22 −78 −20 4.8 4.1 4.7 3.5 5.2 

Activations common to all conceptual tasks relative to fixation, specific for quantity and nonquantity judgments, and for numbers and object names.

Values in bold indicate significance at p < .05, corrected for multiple comparisons.

H = hemisphere; L = left; r = right.

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