Table 3.

Clusters for painful heat fMRI activation. Contrast of HF vs. LF migraine patients in response to noxious heat (threshold+1°C)

Region	Loc.	Lat.	z-stat	X (mm)	Y (mm)	Z (mm)	Volume (cm3)
S1	PoC	R	2.1457	−60	−14	36	0.776
		L	1.9735	62	−12	40	0.628
Cingulate	Anterior	R	−1.2573	4	28	24	1.296
	Middle	R	−1.7933	6	24	36	1.12
	Middle	L	−2.3358	0	6	40	0.296
	Middle	L	−1.4795	0	−12	36	1.76
Insula	Anterior	R	−1.4958	42	18	−2	3.032
	Inferior	L	−2.4797	−38	−14	−8	3.648
	Inferior	R	−1.1926	40	−12	−6	2.096

X, Y and Z are coordinates MNI_152_2mm space. Loc (location) and Lat (Laterality).