Table 4.

Brain region alternation and its potential impact.

Brain regions	Experimental result	Brain function	Anticipated results
Right lingual gyrus	TA>HCs	Logical analysis, visual memory encoding, and emotional control	Impact visual processing and attentional system, depression, and anxiety
Right precentral gyrus	TA>HCs	Motor control and associated with the perception of pain	Left somatosensory disorder
Left middle temporal gyrus	TA>HCs	Pain perception and emotional control	Somatosensory disorder, depression, and anxiety

Abbreviations: HCs: healthy controls; TA: toothache.