Table 2.

Location, t-score and cluster size for regions showing significant differences in the signal intensity changes that were coupled to spontaneous muscle sympathetic nerve activity in control compared with obstructive sleep apnoea (OSA) subjects. Cluster locations are given in Montreal Neurological Institute (MNI) space.

Brain regions	X	Y	Z	t-Score	Cluster size
OSA > controls
Right hippocampus/parahippocampus	27	–30	–17	4.30	29
Anterior cingulate cortex	–11	38	7	4.74	327
Dorsolateral prefrontal cortex
Right	34	41	22	3.76	112
Left	–33	36	21	3.70	112
Medial prefrontal cortex
Right	21	53	21	4.46	283
Left	–20	56	15	4.34	187
Dorsal precuneus
Right	14	–72	46	3.71	195
Left	–11	–70	57	3.92	206
Retrosplenial cortex
Right	20	–52	12	3.44	96
Left	–18	–58	19	4.01	352
Caudate nucleus
Right	17	14	10	3.02	21
Left	–17	17	6	4.29	106