Table 1.

Clusters of activity for Contrast 1: Subtraction—Button Press task, p < 0.05 (cluster correction p < 0.05).

Area	Hemisphere	Talairach co-ordinate			Voxel t−value
		x	y	z
Thalamus	L	−23	−29	−1	4.6
Middle frontal gyrus/pre-central gyrus (BA 6/4)	R	17	−5	23	2.9
Medial frontal gyrus (BA 6)	L	−8	9	48	5.6
Thalamus	R	20	−28	−2	3.9
Middle frontal gyrus (BA 8/9)	R	26	42	31	2.8
Thalamus	R	18	−28	3	4.0
Inferior frontal gyrus (BA 45)	R	30	17	9	5.5
Middle occipital gyrus (BA 19)	R	31	−78	11	4.6
Superior/inferior parietal lobe (BA 7/39)	L	−26	−67	32	5.6
Superior/inferior parietal lobe (BA 7/39)	R	31	−66	33	6.6
Middle frontal gyrus (BA 6)	R	38	−3	33	4.0
Middle temporal gyrus (BA 21)	R	48	−32	−1	3.6
Lingual gyrus (BA 18)	R	10	−79	−8	5.1
Lingual gyrus (BA 18)	L	−13	−70	−1	5.6
Caudate	L	−12	9	8	4.9
Caudate	R	13	10	5	5.0
Inferior frontal gyrus (BA 45/47)	L	−27	18	10	4.6
Superior/inferior parietal lobe (BA 7/40)	L	−40	−55	38	8.1
Inferior frontal gyrus (BA 9)	R	41	24	33	5.8
Middle frontal gyrus (BA 6)	L	−41	−4	41	3.7

Pre-SMA activity highlighted in bold.