TABLE 2:

Hemispheric differences in magnetization transfer ratio of regions as measured by paired t tests

Region	Left Mean	SD	Right Mean	SD	Paired t	P	Significance^*
Hemisphere mean	37.55	1.25	37.25	1.31	5.41	.0005	^*
Cortical regions	38.77	1.44	38.45	1.52	5.57	.0005	^*
Cingulate	39.79	2.04	39.92	1.79	1.08	.287
Subcortical	36.65	1.29	36.52	1.25	2.30	.030
Brain stem	37.64	1.42	37.61	1.34	0.44	.666
Cerebellum	31.85	1.61	32.01	1.76	1.25	.222
Frontal	39.06	1.50	38.81	1.54	3.42	.002	^*
Prefrontal	39.90	1.60	40.05	1.67	1.35	.188
Posterior frontal	38.86	1.59	38.54	1.63	4.52	.0005	^*
Parietal	38.97	1.96	38.76	2.23	2.32	.029
Lateral parietal	38.98	2.00	38.76	2.29	2.25	.033
Mesial parietal	39.03	1.99	38.90	2.14	1.29	.207
Occipital	38.69	1.61	38.65	1.75	0.34	.733
Temporal	38.35	1.41	37.77	1.55	7.52	.0005	^*
Lateral temporal	38.54	1.42	37.87	1.59	8.24	.0005	^*
Mesial temporal	37.48	1.74	37.25	1.63	1.14	.267
Internal Capsule	39.95	1.50	39.67	1.58	1.94	.063
Thalamus	38.02	1.33	38.11	1.30	1.40	.174
Head of the caudate	35.32	1.30	35.11	1.33	1.25	.221
Lentiform nucleus	35.21	1.43	35.01	1.27	2.86	.008

* Significance indicates those results that reach an accepted α of P < .0036 after applying a Bonferroni correction.