Table 2.

Brain regions for which there was a positive association between improvisation experience and the functional connectivity during improvisation

Seed	Side	Region	Side	Coordinatesa			Voxel levelb t	Cluster size kE
				x	y	z
DLPFC	Right	PMD/SFG	Right	26	11	69	5.81	13
		Cerebellum	Right	6	−49	−36	5.49	33
		SMA/PreCG	Right	14	−15	78	5.25	7
	Left	PMD/SFG	Right	26	11	69	6.37	93
		SMA/FL	Right	12	−16	78	6.34	39
		ITG	Left	−48	−49	−21	5.68	90
		ITG	Right	46	−34	−24	5.38	23
		ITG	Right	48	−49	−23	5.26	70
PMD	Right	SMA/FL	Right	10	−13	78	9.55	186
		Cerebellum	Right	54	−67	−30	7.59	1569
		M1/CSc	Right	51	−18	62	7.07	301
		Cerebellum	Right	6	−52	−39	7.0	272
		M1/CSd	Right	63	−7	40	6.73	284
		DLPFC/MFG	Left	−36	45	36	6.54	113
		SPL	Right	15	−48	78	6.4	255
		IPL	Left	−50	−55	54	6.31	96
		PMD/PreCG	Left	−52	3	49	6.03	53
		Precuneus/SPL	Left	−6	−60	69	6.01	42
		M1/PreCG	Left	−34	−10	70	5.93	130
		MTG	Left	−69	−19	−20	5.75	14
		Cerebellum	Right	9	−90	−38	5.72	22
		Cerebellum	Right	18	−60	−18	5.65	45
		SMG	Left	−68	−28	31	5.63	32
		Cerebellum	Left	−16	−67	−21	5.52	38
		Cerebellum	Right	14	−78	−42	5.51	68
		M1/CS	Left	−24	−27	75	5.46	4
		M1/ParaCL	Left	−14	−24	78	5.42	5
		S1/PostCG	Right	30	−31	45	5.41	16
		ITG	Right	45	−25	−20	5.4	28
		M1/PreCG	Left	−45	−15	63	5.36	15
		ITG	Right	46	−19	−14	5.25	4
	Left	M1/CSd	Right	63	−7	40	7.35	127
		M1/CSc	Right	52	−15	58	7.17	112
		PMD/SFG	Right	30	12	66	6.85	88
		SMG	Left	−68	−30	31	5.75	50
		SMA/FL	Right	10	−13	78	5.57	13
		SPL	Right	21	−46	76	5.37	11
PreSMA	Right	SMA/PreCG	Right	14	−15	78	7.18	79
		PMD/SFG	Right	26	11	69	7.15	126
		M1/CSc	Right	51	−18	62	7.02	316
		M1/CSd	Right	63	−7	40	6.69	288
		DLPFC/MFG	Left	−36	45	36	6.07	71
		IPL	Left	−46	−57	55	5.95	53
		SMG	Left	−68	−30	31	5.8	89
		Cerebellum	Right	54	−67	−30	5.78	52
		STG	Left	−69	−37	12	5.69	21
		Cerebellum	Right	3	−49	−39	5.68	91
		ITG	Right	48	−28	−23	5.54	37
		PostCG	Right	20	−46	76	5.54	19
		M1/PreCG	Left	−28	−21	73	5.4	14
		ITG	Right	52	−51	−18	5.35	38
		PMD/PreCG	Left	−52	5	48	5.3	4
	Left	IPL	Left	−48	−57	54	5.75	66
		SMG	Left	−68	−28	31	5.72	40
		DLPFC/MFG	Left	−39	42	34	5.39	10

CS, central sulcus; FL, frontal lobe; IPL, inferior parietal lobe; ITG, inferior temporal gyrus; M1, primary motor cortex; MFG, middle frontal gyrus; MTG, middle temporal gyrus; ParaCL, paracentral lobule; PMD, dorsal premotor region; PMV, ventral premotor region; PostCG, postcentral gyrus; PreCG, precentral gyrus; S1, primary somatosensory cortex; SFG, superior frontal gyrus; SMA, supplementary motor area; SPL, superior parietal lobe; STG, superior temporal gyrus; SMG, supramarginal gyrus.

^aCoordinates in millimeters in the Montreal Neurological Institute space.

^bVoxel-level familywise error rate, corrected p = 0.05.

^cThe cluster extended into the PreCG.

^dThe cluster extended into the PMV/PreCG.