Table 1.

Talairach coordinates for points of maximum intensity for each significantly activated cluster. The full extent of these activations projected into the cortical surface is provided in Figure 1. IFG = inferior frontal gyrus.

Location of extreme point	Cluster size (μl)	X	Y	Z	z-score
Experiment 1, Forward > Reversed
R Supramarginal gyrus	622	52	−40	28	4.49
Experiment 1, Reversed > Forward
L Inferior frontal junction	3854
L Middle frontal gyrus		−47	11	35	−4.20
L Precentral gyrus		−51	2	47	−3.91
Experiment 2, Forward > Reversed
Dorsomedial prefrontal	6824
R Superior frontal sulcus		17	45	22	4.67
L Medial superior frontal gyrus		−1	41	22	4.25
Anterior cingulate		0	47	5	3.92
L Frontal pole		−9	63	5	3.91
R Middle frontal gyrus		23	46	33	3.77
R Superior frontal gyrus		6	46	44	3.40
L Posterior cingulate	4803	−7	−46	38	4.29
R Temporoparietal	3503
R Middle temporal gyrus		56	−59	18	4.60
R Angular gyrus		55	−53	39	3.28
R Superior frontal	1077	5	34	53	3.68
Middle cingulate	726	−2	0	33	3.60
L Precentral gyrus	646	−27	−32	71	3.60
Experiment 2, Reversed > Forward
Lateral and medial prefrontal	15793
L IFG, pars opercularis		−50	9	25	−4.98
L Supplementary motor area		−3	0	58	−4.73
L Precentral gyrus		−43	−4	45	−4.57
L Middle frontal gyrus		−24	2	55	−4.24
L IFG, pars triangularis		−48	29	13	−3.91
L IFG, pars opercularis		−50	7	7	−3.41
L Intraparietal	3467
L Intraparietal sulcus		−31	−47	40	−4.50
L Intraparietal sulcus		−24	−68	36	−4.27
L Intraparietal sulcus		−28	−75	19	−3.17
L Fusiform	1035
L Posterior fusiform gyrus		−43	−58	−12	−4.28
R Intraparietal	832
R Intraparietal sulcus		24	−53	32	−3.41
R Intraparietal sulcus		26	−68	28	−3.32
R Cerebellum	705	36	−59	−26	−4.02