Table 2.
Means and standard deviations of diffusion parameters for participants with and without musical instrument training in each region of interest in the superior longitudinal fasciculus (SLF) and corpus callosum (CC).
| Musical instrument training | ||||||
|---|---|---|---|---|---|---|
| No (n = 66) | Yes (n = 34) | |||||
| Tract | Diffusion statistic | ROI | Mean | SD | Mean | SD |
| SLF | FA | SLF right | 0.521 | 0.031 | 0.534 | 0.028 |
| SLF left | 0.506 | 0.044 | 0.512 | 0.037 | ||
| AD | SLF right | 1.12E-03 | 3.51E-05 | 1.13E-03 | 4.68E-05 | |
| SLF left* | 1.17E-03 | 3.90E-05 | 1.20E-03 | 4.22E-05 | ||
| RD | SLF right | 4.77E-04 | 3.42E-05 | 4.68E-04 | 2.98E-05 | |
| SLF left | 5.32E-04 | 3.64E-05 | 5.22E-04 | 2.35E-05 | ||
| CC | FA | CC genu | 0.752 | 0.022 | 0.755 | 0.017 |
| CC body | 0.698 | 0.033 | 0.697 | 0.027 | ||
| CC splenium | 0.794 | 0.019 | 0.792 | 0.021 | ||
| AD | CC genu | 1.48E-03 | 5.42E-05 | 1.49E-03 | 5.03E-05 | |
| CC body | 1.54E-03 | 4.58E-05 | 1.55E-03 | 6.39E-05 | ||
| CC splenium | 1.56E-03 | 4.75E-05 | 1.57E-03 | 9.85E-05 | ||
| RD | CC genu | 3.17E-04 | 3.09E-05 | 3.11E-04 | 2.37E-05 | |
| CC body | 3.94E-04 | 4.68E-05 | 3.98E-04 | 4.03E-05 | ||
| CC splenium | 2.76E-04 | 2.81E-05 | 2.81E-04 | 3.47E-05 | ||
Effects of musical instrument training, controlling for covariates of age, sex, SES, and fitness: *p < 0.001, surviving Bonferroni correction at p < 0.05 level for 15 comparisons.