Table 1.

Main effect of cardiac cycle

Brain area	Side	Coordinates (mm)	Voxels	t-score
Diastole > systole
Parahippocampal gyrus	L	−18, −24, −26	107	5.4
Middle frontal gyrus	L	−24, 14, 46	137	5.3
Anterior insula/Inferior frontal gyrus	L	−34, 20, −6	132	4.7
Middle frontal gyrus	R	50, 8, 40	42	3.6
Middle frontal gyrus	L	−48, 6, 38	54	3.5
Insula	R	34, 12, −14	63	3.4
Angular gyrus	R	58, −48, 34	43	3.4
Parahippocampal gyrus	R	18, −26, −26	34	3.3
Superior frontal gyrus (medial)	R	6, 40, 42	34	3.1
Systole > diastole
Hippocampal formation	L	−38, −8, −26	124	5.8
Middle insula	L	−34, 4, 2	104	4.9
Inferior occipital gyrus	L	−24, −86, 10	101	4.9
Precentral gyrus	L	−28, −14, 48	97	4.8
Occipital pole	R	32, −90, −20	86	4.3
Precuneus	R	20, −80, 42	82	4.1
Cerebellum	R	22, −64, −38	44	4.0
Angular gyrus	L	−30, −52, 52	50	3.7
Precuneus	L	−20, −92, 28	167	3.6
Cerebellum	R	10, −56, −10	35	3.4

Shown is the brain activation underlying the main effect of cardiac modulation of emotion processing collapsed over specific emotion type.