Table 1.

Criteria and number of excluded studies; demographics of included studies

		Regions of interest (radius 6 mm)
		Sequencing			Mentalizing					Sequencing
		ROI 1	ROI 2		ROI 3	ROI 4				ROI 5
		Right Crus II	Left Crus II		Right Crus II	Left Crus II				Left Crus I
		24 −76 −40	−24 −76 −40		26 −84 −34	−26 −84 −34				−40 −70 −40			Studies	%
Excluded studies
Criteria for exclusion:
Technique and analysis
	Volume	3	1		4	3				3			14	3%
	Connectivity	7	2		10	8				4			31	7%
	Resting state	2	4		9	2				7			24	6%
	Meta-analysis	0	0		1	1				2			4	1%
	Other (SPECT, EEG, etc.)	0	1		1	3				3			8	2%
Population and non-psychological factors
	Patients	7	13		9	10				12			61	14%
	Medication/substance	0	0		1	1				1			3	1%
	Genetic interaction	1	0		1	0				0			2	0%
Coordinates
	Incorrect coordinates	1	1		2	0				1			5	1%
	Talairach coordinates	11	8		19	8				9			55	13%
Other
		1	2		3	1				1			8	2%
Number of excluded studies		33	32		60	37				43			215	51%
% of excluded studies		40%	52%		52%	49%				56%
Included studies
Demographics (means):
	Number of participants	23.0	45.6		40.6	45.3			20.2
	Males	12.2	20.1		18.1	22.1			11.8
	Mean age	28.2	27.3		26.6	25.7			25.2
Number of included studies		48	30		56	39			34				207	49%

A chi-square test revealed that none of the ROIs showed an unequal distribution of the exclusion criteria, P > 0.08. SPECT = Single Photon Emission Computed Tomography; EEG = Electro-encefalography