Experimental design and neuroimaging findings of the included studies: Temporomandibular joint disorder pain.

ACC, anterior cingulate cortex; aINS, anterior insula; ASL, arterial spin labeling; B, bilateral; BOLD, blood-oxygen-level-dependent; CBF, cerebral blood flow; CC, corpus callosum; CL, contralateral; CST, cortical spinal tract; CT, cortical thickness; DWI, diffusion-weighted imaging; FA, fractional anisotropy; FC, functional connectivity; fMRI, functional magnetic resonance imaging; GMV, gray matter volume; IL, ipsilateral; L, left side; MCC, mid-cingulate cortex; MRS, magnetic resonance spectrum; pINS, posterior insula; R, right side; S1, primary somatosensory cortex; S2, secondary somatosensory cortex; SC, structural connectivity (probabilistic tractography); SLF, superior longitudinal fasciculus; sMRI, structural magnetic resonance imaging; STPI, State Trait Personality Inventory; TBV, total brain volume; THA, thalamus; TIV, total intracranial volume; TMD, temporomandibular disorder; V3, the mandibular nerve; WMV, white matter volume.