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. Author manuscript; available in PMC: 2024 Jul 1.
Published in final edited form as: Neuromodulation. 2022 Jun 14;26(5):999–1008. doi: 10.1111/ner.13512

Table 1.

Brain regions with increased and decreased BOLD signal variability (SDBOLD) in fibromyalgia (FM) patients compared with healthy controls (HC).

Frequency band Contrast Brain region MNI coordinates
(x, y, z)		 Number of voxels T-value
Slow-5
(0.01–0.027 Hz)		 FM < HC R vmPFC 8, 62, −2 128 6.22
Slow-4
(0.027–0.073 Hz)		 FM < HC R vmPFC 12, 60, 0 117 5.44
R anterior insula 38, 14, 10 95 5.8
R lateral PFC 34, 16, 44 111 5.76
FM > HC L posterior insula/S2 −38, −30, 16 89 4.16

All statistical results were thresholded at voxel-level p < 0.001 and cluster-level p < 0.025, FWE-corrected. vmPFC, ventromedial prefrontal cortex; S2, secondary somatosensory cortex; L, left; R, Right.