Table 5.

Correlation between scores in subcomponents of fluency and FA in the frontal speech and dorsal language tracts in nfvPPA

FA	No. of distortions		Speech rate (WPM)		Syntax production score		Sentence comprehension
	ρ	p	ρ	p	ρ	p	ρ	p
Left frontal speech tracts
BA44-SMAc (pre-SMA)	−0.78	0.01*	0.83	0.005*	0.76	0.02*	0.46	0.21
BA6vPMC-SMAc (SMA proper)	−0.70	0.03*	0.50	0.17	0.27	0.48	0.10	0.79
BA44-Putamen	−0.27	0.49	0.45	0.22	0.45	0.22	0.47	0.20
SMAc-Caudate	−0.72	0.03*	0.75	0.02*	0.65	0.06	0.28	0.45
Left dorsal language tracts
SLF II/III	−0.65	0.06	0.78	0.01*	0.76	0.02*	0.78	0.01*
AF	−0.37	0.33	0.53	0.13	0.76	0.02*	0.84	0.004*

*Significant correlations in PPA variants at p < 0.05.