Correlation of DTI with M100 within groups^{^a}

	Auditory Radiation			Heschl's Gyrus
	Control	Deletion	Duplication	Control	Deletion	Duplication
MD	16.4	14.7	1.1	29.9	1.2	24.7
MD	P = .044^{^b}	P = .3	P = .9	P < .001^{^b}	P = .9	P = .2
FA	−67.4	73.2	−43	−78.3	−111	−75.2
FA	P = .15	P = .3	P = .7	P = .063	P = .2	P = .4
RD	10.6	1.3	2.3	21.7	12.8	17.4
RD	P = .048^{^b}	P = .9	P = .9	P < .001^{^b}	P = .3	P = .2
AD	0.6	11.7	−1.8	2.4	−4.9	1.9
AD	P = .9	P = .11	P = .8	P = .5	P = .4	P = .8

Note:—AD indicates axial diffusivity.
↵a Regression coefficients by group are shown with P values. Coefficients indicate the number of milliseconds per variable unit. MD, RD, and AD have units of ×10⁻⁴ mm²/s.
↵b Significant.