Table 1. Activation related to polyrhythmic and isorhythmic movements compared to no movement.

		Polyrhythmic				Isorhythmic
Cluster	Region (BA)	Coordinates			Extent	Coordinates			Extent
		x	y	z	(cc)	x	y	z	(cc)
L Fronto-parietal	M1 (4)	−32	−26	68	3.87	−28	−28	62	2.99
	S1 (1,2,3)	−48	−30	62		−44	−24	52
	PMA (6)	−30	−20	66		−40	−20	62
	GSM (40)	−48	−28	52		–	–	–
L Fronto-parietal	S1 (1,2,3)	−58	−18	50	1.48	–	–	–
	M1 (4)	−56	−12	40		–	–	–
	PMAsup (6)	−42	−10	48		–	–	–
	PMAinf (6)	−52	8	44		–	–	–
Medial Frontal	L SMA(6)	−8	−8	68	2.06	–	–	–
	R SMA (6)	2	−6	70		–	–	–
	L preSMA (6)	−6	2	68		–	–	–
	R preSMA (6)	2	2	68		–	–	–
	L Cingulate (24)	−8	−4	56		–	–	–
L Parietal-temporal	GSM/GST (40)	−50	−22	16	0.94	–	–	–
	GSM (40)	−56	−26	24		–	–	–
	GSM (40)	−56	−16	22		–	–	–
L basal ganglia	Globus pallidus	−24	−8	−2	1.95	−34	−12	−6	1.26
	Putamen	−36	4	0		−28	−4	6
L Insula	Insula	−52	10	−4	0.65	–	–	–
L Insula	Insula	−32	−30	10	0.37	−32	−26	10	1.18
L temporal	Operculum (41)	–	–	–	–	−52	−22	16	0.3
L Thalamus	Ventral lateral	16	−24	8	2.11	−16	−28	0	1.38
	Medial	−6	−24	0		–	–	–
R Cerebellum	Crus V	16	−48	−22	5.15	–	–	–
	Crus VI	28	−62	−24		4	−66	−16	1.22
	Crus V	16	−50	−18	1.93	–	–	–
	Crus VI	30	−62	−24		–	–	–