MIT Press

Skip to Main Content

Table 3.

Brain Regions Modulated by Syntactic Complexity in Controls and Semantic PPA Patients

Brain Region	MNI Coordinates			Extent (mm³)	Max t	p
Brain Region	x	y	z	Extent (mm³)	Max t	p
Modulated by Syntactic Complexity in Controls
Left posterior IFG (pars opercularis) and anterior insula	−39	19	16	11984	5.58	< .001
Left precentral gyrus	−36	−1	56	4792	4.95	.001
Left posterior STS, MTG, and ITG	−53	−51	3	13256	6.40	< .001
Left anterior STS and STG	−62	−3	−10	1392	4.81	.24 (ns)
Left superior parietal lobule	−19	−66	49	16664	5.43	< .001
Bilateral pre-SMA	0	14	53	3112	4.37	.033
Right anterior insula	39	27	2	3568	4.03	.017

Modulated by Syntactic Complexity in Semantic PPAPatients
Left precentral gyrus	−37	1	50	1944	4.52	.048
Left posterior STS	−60	−50	12	2376	4.67	.035
Left superior parietal lobule	−28	−82	44	3784	6.49	.019
Left precuneus	−10	−54	44	3408	4.74	.032

Brain Region	MNI Coordinates			Extent (mm³)	Max t	p
Brain Region	x	y	z	Extent (mm³)	Max t	p
Modulated by Syntactic Complexity in Controls
Left posterior IFG (pars opercularis) and anterior insula	−39	19	16	11984	5.58	< .001
Left precentral gyrus	−36	−1	56	4792	4.95	.001
Left posterior STS, MTG, and ITG	−53	−51	3	13256	6.40	< .001
Left anterior STS and STG	−62	−3	−10	1392	4.81	.24 (ns)
Left superior parietal lobule	−19	−66	49	16664	5.43	< .001
Bilateral pre-SMA	0	14	53	3112	4.37	.033
Right anterior insula	39	27	2	3568	4.03	.017

Modulated by Syntactic Complexity in Semantic PPAPatients
Left precentral gyrus	−37	1	50	1944	4.52	.048
Left posterior STS	−60	−50	12	2376	4.67	.035
Left superior parietal lobule	−28	−82	44	3784	6.49	.019
Left precuneus	−10	−54	44	3408	4.74	.032

MNI coordinates for clusters are centers of mass.