Table 3.

Results of pairwise comparisons between mean weights in ROIs shown in Fig. 5C

Subject Group	Pairwise Comparison	ROI	t Value	Cohen’s d	P value
Nonmusicians	1	Anterior nonprimary	15.91	5.03	6.75E-08
		Primary
	2	Anterior nonprimary	8.99	2.84	8.61E-06
		Lateral nonprimary
	3	Posterior nonprimary	7.25	2.29	4.81E-05
		Primary
	4	Posterior nonprimary	3.84	1.21	0.0040
		Lateral nonprimary
Musicians	1	Anterior nonprimary	11.40	3.61	1.19E-06
		Primary
	2	Anterior nonprimary	7.66	2.42	3.14E-05
		Lateral nonprimary
	3	Posterior nonprimary	4.49	1.42	0.0015
		Primary
	4	Posterior nonprimary	2.72	0.86	0.0237
		Lateral nonprimary

Component weights were first averaged over hemispheres, and significance between ROI pairs was evaluated using paired t tests (n = 10). Note that because of our prior hypotheses and the significance of the omnibus F test, we did not correct for multiple comparisons. ROI, region of interest.