Table 4.

Multiple regression comparing activation in the 2-back minus 0-back task to N-back behavioral data and neuropsychological testing.

Region	Peak t-value	Peak MNI coordinate	Cluster volume (voxels)	Cluster p-value
N Back behavioral data & imaging data
N Back accuracy
L Inferior Parietal Lobe	9.86	−36, −37, 44	578	<0.001
R Middle Frontal Gyrus	8.76	36, 11, 50	158	<0.001
L Middle Frontal Gyrus	6.81	−30, 8, 56	149	<0.001
N Back speed
L Inferior Parietal Lobe	9.66	−36, −37, 44	533	<0.001
L Middle Frontal Gyrus	6.81	−30, 8, 56	159	<0.001
R Middle Frontal Gyrus	9.31	36, 11, 50	147	<0.001
L Inferior Frontal Gyrus	7.87	−54, 14, 32	118	0.001
L Inferior Temporal Gyrus	7.00	−42, −61, −7	76	0.007
L Middle Occipital Gyrus	5.04	−12, −88, −7	65	0.014
R Cuneus	4.84	3, −79, 11	53	0.033
Neuropsychological testing & imaging data
D-KEFs Color-Word Interference Inhibition Accuracy
L Superior Parietal Lobe	5.94	−27, −64, 56	352	<0.001
L Inferior Frontal Gyrus	6.06	−51, 14, 32	301	<0.001
R Superior Frontal Gyrus	5.39	21, 11, 65	119	0.003
D-KEFs Color-Word Interference Inhibition Speed
L Inferior Parietal Lobe	6.62	−24, −67, 41	444	<0.001
L Inferior Frontal Gyrus	5.99	−51, 14, 32	309	<0.001
R Superior Frontal Gyrus	5.38	21, 11, 65	130	0.001
L Middle Occipital Gyrus	5.01	−45, −64, −7	58	0.031
Pegboard (Speeded Dexterity)
L Inferior Parietal Lobe	5.96	−24, −67, 41	366	<0.001
L Inferior Frontal Gyrus	6.17	−51, 14, 32	358	<0.001
R Superior Frontal Gyrus	5.41	21, 11, 65	134	<0.001
L Inferior Temporal Gyrus	4.98	−42, −64, −4	48	0.065

MNI, Montreal Neurological Institute;

R, right;

L left.