Table II.

Regions demonstrating increasing activation with increasing rate (parametric analysis) of generation

Region	X	Y	Z	Cluster size (Number of voxels)	Z score	P (cluster)
Greater activation with FASTER rate
Left inferior frontal gyrus (BA 45/46)	−54	32	22	145	5.4	0.01
Right precentral gyrus (BA 6/4)	58	−4	42	280	5.5	0.0001
Right superior temporal gyrus (BA22)	66	−50	12	604	5.3	0.0001
Left hippocampus	−28	−16	−8	183	5.1	0.003
Left precuneus (BA 7)	−26	−82	42	114	4.7	0.03
Greater activation with SLOWER rate
Right inferior parietal lobule (BA 40)	58	−42	50	158	5.2	0.007
Left precentral gyrus (BA 4)	−40	−10	50	123	6.2	0.02
Right inferior frontal gyrus (BA 47)	50	28	−4	173	5.1	0.004
Right superior temporal gyrus (BA22)	58	−24	0	117	4.8	0.03
Right precuneus (BA 7)	16	−82	48	327	5.3	0.0001
Left middle occipital gyrus (BA 18)	−28	−74	12	136	4.7	0.01