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Table 1. 

Areas of Significant Activation across Working Memory Loads, for Adults

Regionxyzz-Value
Load 1 Lateral occipital (R) 38 20 32 6.38 
Middle frontal gyrus1 (R & L) 34 64 65 4.84 
Superior frontal gyrus1 (R & L) 49 67 64 4.48 
Load 2 Lateral occipital (R & L) 32 22 33 6.12 
Putamen (L) 55 68 41 5.10 
Load 3 Lateral occipital (R & L) 32 23 31 6.49 
Middle frontal gyrus1 (R & L) 34 63 64 5.19 
Superior frontal gyrus1 (R & L) 41 63 70 4.86 
Putamen (L) 55 68 42 5.57 
Load 4 Lateral occipital (R & L) 32 22 33 6.29 
Putamen/caudate1 (R) 35 72 39 5.06 
Middle frontal gyrus1 (R) 26 79 45 3.50 
Load 4 vs. 2 Lateral occipital gyrus (R) 33 27 62 5.31 
Superior frontal gyrus1 (R & L) 48 74 59 4.84 
Middle frontal gyrus1 (L) 29 64 64 4.44 
Lateral occipital gyrus (L) 57 27 51 4.48 
Inferior frontal gyrus (R) 25 78 38 3.69 
Load 2 vs. 1 Superior parietal lobule (R) 35 33 64 4.88 
Superior parietal lobule (L) 54 29 63 5.13 
Middle frontal gyrus (L) 59 60 63 4.38 
Regionxyzz-Value
Load 1 Lateral occipital (R) 38 20 32 6.38 
Middle frontal gyrus1 (R & L) 34 64 65 4.84 
Superior frontal gyrus1 (R & L) 49 67 64 4.48 
Load 2 Lateral occipital (R & L) 32 22 33 6.12 
Putamen (L) 55 68 41 5.10 
Load 3 Lateral occipital (R & L) 32 23 31 6.49 
Middle frontal gyrus1 (R & L) 34 63 64 5.19 
Superior frontal gyrus1 (R & L) 41 63 70 4.86 
Putamen (L) 55 68 42 5.57 
Load 4 Lateral occipital (R & L) 32 22 33 6.29 
Putamen/caudate1 (R) 35 72 39 5.06 
Middle frontal gyrus1 (R) 26 79 45 3.50 
Load 4 vs. 2 Lateral occipital gyrus (R) 33 27 62 5.31 
Superior frontal gyrus1 (R & L) 48 74 59 4.84 
Middle frontal gyrus1 (L) 29 64 64 4.44 
Lateral occipital gyrus (L) 57 27 51 4.48 
Inferior frontal gyrus (R) 25 78 38 3.69 
Load 2 vs. 1 Superior parietal lobule (R) 35 33 64 4.88 
Superior parietal lobule (L) 54 29 63 5.13 
Middle frontal gyrus (L) 59 60 63 4.38 

Contrasts were calculated relative to implicit baseline, except when two different loads were contrasted (two bottom rows).

1Part of the same cluster.

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