Table 4:

Results of regression analyses with cortical thinning in patients. L: left, R: right.

svPPA	Estimate	Std. Error	t-value	p-value
Noun
L inferior temporal	0.059	0.021	2.85	0.01
L middle temporal	0.054	0.026	2.09	0.049
L superior temporal	0.045	0.021	2.18	0.041
L insula	0.035	0.016	2.19	0.04
Pronoun
L inferior temporal	−0.098	0.038	−2.54	0.019
L parahippocampal	−0.059	0.028	−2.16	0.043
L entorhinal	−0.104	0.05	−2.08	0.049
Wh-words
L inferior temporal	−0.219	0.08	−2.6	0.021
L middle temporal	−0.244	0.11	−2.14	0.044
L superior temporal	−0.19	0.087	−2.2	0.039
L fusiform	−0.303	0.108	−2.818	0.01
L insula	−0.142	0.065	−2.207	0.04
Abstractness
L temporal pole	−0.582	0.228	−2.55	0.019
L inferior temporal	−0.531	0.218	−2.42	0.025
L middle temporal	−0.652	0.225	−2.89	0.011
L superior temporal	−0.51	0.189	−2.69	0.019
L fusiform	−0.597	0.243	−2.49	0.027
R superior temporal	−0.309	0.14	−2.21	0.038
Semantic ambiguity
L inferior temporal	−2.609	0.833	−3.11	0.007
L middle temporal	−2.617	0.896	−2.96	0.011
L bank superior temporal	−1.795	0.572	−3.13	0.006
L superior temporal	−1.946	0.693	−2.8	0.013
L supramarginal	−1.722	0.601	−2.86	0.018
L insula	−0.5	0.205	−2.39	0.026
L lateral orbitofrontal	−1.182	0.564	−2.1	0.048
Word frequency
L inferior temporal	−0.627	0.258	−2.46	0.024
L middle temporal	−0.685	0.264	−2.58	0.019
L bank superior temporal	−0.379	0.176	−2.16	0.043
L superior temporal	−0.49	0.208	−2.34	0.031
L fusiform	−0.593	0.267	−2.22	0.037
Word familiarity
L inferior temporal	−0.755	0.29	−2.61	0.016
L middle temporal	−0.83	0.247	−3.41	0.009
L superior temporal	−0.53	0.182	−2.98	0.018
L rostral middle frontal	−0.821	0.216	−3.8	0.001
R rostral middle frontal	−0.608	0.222	−2.72	0.014
L precentral	−0.599	0.163	−3.67	0.001
L supramarginal	−0.517	0.19	−2.72	0.013
L lateral orbitofrontal	−0.365	0.163	−2.24	0.001
R superior frontal	−0.592	0.218	−2.72	0.013
R pars opercularis	−0.549	0.192	−2.86	0.009
Cross-entropy estimation
L inferior temporal	0.451	0.187	2.4	0.027
L middle temporal	0.419	0.199	2.1	0.048
L bank superior temporal	0.348	0.143	2.45	0.026
L superior temporal	0.392	0.156	2.51	0.02
L fusiform	0.713	0.224	3.18	0.004
naPPA	Estimate	Std. Error	t-value	p-value
Speech errors / Partial words
L rostral middle frontal	−0.194	0.044	−4.39	0.022
bvFTD	Estimate	Std. Error	t-value	p-value
Adjectives
L orbitofrontal	0.07	0.028	2.56	0.015
L rostral middle frontal	0.05	0.024	2.28	0.031
L superior frontal	0.07	0.03	2.29	0.03
L caudal middle frontal	0.07	0.025	2.67	0.035
L post central	0.06	0.023	2.49	0.018
R pre central	0.07	0.033	2.22	0.032
R post central	0.07	0.025	2.74	0.009