Overt speech critically changes lateralization index and did not allow determination of hemispheric dominance for language: an fMRI study

Table 4 Descriptive statistics of the LI values for each contrast (Overt and Covert contrasts), and for each resting− state network (LANG, CO, and VAN), with the different used masks

Mask	Number of values	Minimum	Maximum	Range	Mean	Standard deviation
Covert
Whole brain	33	− 0.65	0.76	1.41	0.2163	0.3208
Sus-tentorial	33	− 0.84	0.86	1.7	0.3292	0.3793
Frontal	33	− 0.79	0.88	1.67	0.4248	0.3645
Frontal, preCG excluded	33	− 0.76	0.84	1.6	0.4579	0.3374
Parietal	33	− 0.8	0.94	1.74	0.3688	0.4085
Parietal, postCG excluded	33	− 0.85	0.94	1.79	0.3243	0.443
Overt
Whole brain	33	− 0.63	0.44	1.07	− 0.1855	0.275
Sus-tentorial	33	− 0.67	0.62	1.29	− 0.136	0.3043
Frontal	33	− 0.5	0.73	1.23	− 0.05997	0.3346
Frontal, preCG excluded	33	− 0.38	0.61	0.99	0.03855	0.288
Parietal	33	− 0.59	0.75	1.34	-0.02548	0.364
Parietal, postCG excluded	33	− 0.73	0.68	1.41	-0.1892	0.3413
LANG
Whole brain	32	− 0.74	0.85	1.59	0.5931	0.3221
Sus-tentorial	32	− 0.77	0.91	1.68	0.6572	0.3402
CO
Whole brain	32	− 0.69	0.69	1.38	− 0.1179	0.3718
Sus-tentorial	32	− 0.7	0.52	1.22	− 0.1564	0.3575
VAN
Whole brain	33	− 0.86	0.41	1.27	− 0.4808	0.3925
Sus-tentorial	33	− 0.88	0.4	1.28	− 0.4991	0.403

CO cingulo−opercular network, LANG language network, postCG postcentral gyrus, preCG precentral gyrus, VAN ventral attention network

ISSN: 1471-2202