Table 2.

White matter tracts with statistically significant asymmetry among normal individuals.

	Mean	SD	|t(34)|	p
FA
Cingulum-cingulate gyrus	−0.031	0.018	10.20	<0.0001
Retrolenticular part of internal capsule	−0.019	0.017	6.54	<0.0001
Superior cerebellar peduncle	−0.012	0.016	4.38	0.0001
Uncinate fasciculus	0.029	0.039	4.34	0.0001
Superior corona radiata	−0.010	0.013	4.21	0.0002
Anterior limb of internal capsule	0.008	0.013	3.56	0.0011
Posterior thalamic radiation	0.009	0.017	3.29	0.0023
MD
Superior longitudinal fasciculus	0.011	0.007	9.05	<0.0001
Posterior corona radiata	0.012	0.010	6.87	<0.0001
Retrolenticular part of internal capsule	0.015	0.015	5.69	<0.0001
Fornix/stria terminalis	0.017	0.018	5.64	<0.0001
Uncinate fasciculus	−0.023	0.025	5.33	<0.0001
Sagittal stratum	0.011	0.013	5.01	<0.0001
Posterior limb of internal capsule	0.007	0.011	4.12	0.0002
Superior corona radiata	0.005	0.008	3.24	0.0026
Medial lemniscus	0.009	0.017	3.18	0.0032
RD
Retrolenticular part of internal capsule	0.034	0.026	7.61	<0.0001
Fornix/stria terminalis	0.027	0.026	6.12	<0.0001
Cingulum-cingulate gyrus	0.025	0.026	5.76	<0.0001
Uncinate fasciculus	−0.040	0.044	5.34	<0.0001
Superior longitudinal fasciculus	0.009	0.012	4.78	<0.0001
Superior cerebellar peduncle	0.021	0.033	3.75	0.0007
Superior corona radiata	0.007	0.012	3.72	0.0007
Sagittal stratum	0.015	0.025	3.41	0.0017
AD
Cingulum-cingulate gyrus	−0.025	0.012	12.11	<0.0001
Posterior corona radiata	0.015	0.013	6.49	<0.0001
Superior longitudinal fasciculus	0.012	0.011	6.29	<0.0001
Medial lemniscus	0.012	0.013	5.03	<0.0001
Anterior limb of internal capsule	0.008	0.010	4.45	0.0001
Posterior limb of internal capsule	0.007	0.010	4.16	0.0002
Posterior thalamic radiation	0.010	0.014	4.00	0.0003
Sagittal stratum	0.009	0.014	3.67	0.0008

Group means and SDs of the symmetry index and the results of one-sample t-tests are shown. Statistical significance was determined by correction of α-levels for multiple comparison.