Table 3.

Anatomical locations of regions with significant clinical correlation in iRBD patients

Regions	BA	Cluster size (voxels)	Peak intensity	Peak coordinates (mm)
				x	y	z
Duration
Positive
Bilateral precuneus; bilateral calcarine fissure and surrounding cortex	23,30	50148	6.73	9	–45	15
Right cuneus	17		4.99	15	–96	14
Left postcentral gyrus; bilateral precuneus; right superior parietal gyrus	5,7		5.32	15	–45	60
Left posterior cingulate gyrus; left precuneus	29		5.24	–3	–49	9
Left posterior cingulate gyrus; left precuneus; left hippocampus	27,29		6.22	–17	–40	7
Left hippocampus; left lingual gyrus; left parahippocampal gyrus	27,19		6.24	–18	–34	–6
Left middle occipital gyrus	19		5.67	–33	–70	33
Left postcentral gyrus; bilateral precuneus	7,31		5.28	8	–72	33
Right superior parietal gyrus; bilateral precuneus	5,7		5.27	15	–67	57
Left middle temporal gyrus	21,22		5.09	–68	–33	1
Left cerebellum_crus2	/		5.18	–39	–66	–39
Right cerebellum_crus1	/		5.65	30	–79	–33
Phasic chin EMG activity
Positive
Right hippocampus; right fusiform gyrus; right parahippocampal gyrus	30,36	45897	6.50	23	–24	–15
Right hippocampus; right parahippocampal gyrus	28		5.96	29	–19	–11
Left hippocampus; left fusiform gyrus; left parahippocampal gyrus	37		6.06	–27	–43	–12
Right precentral gyrus; right superior frontal gyrus	4,6		6.29	44	–16	60
Right cuneus; bilateral precuneus	7		5.79	8	–72	33
Right inferior parietal lobule; right angular gyrus	39,40		5.54	41	–63	45
Right precentral gyrus	6		5.60	44	17	46
Right superior parietal gyrus	7		5.33	17	–63	57
Bilateral precuneus; right paracentral lobule	5		5.59	15	–45	60
Bilateral precuneus; left calcarine fissure and surrounding cortex	31,30		5.26	0	–66	19
Right cerebellum_crus1	/		5.32	29	–79	–32
Left cerebellum_crus2	/		5.74	–39	–63	–41

iRBD: Idiopathic rapid eye movement sleep behavior disorder; BA: Brodmann area; EMG: electromyographic. Multiple regression analysis, P < 0.01 uncorrected for multiple comparisons.