Table 3

White matter tract integrity in individuals with psychosis

	Left hemisphere^*			Right hemisphere^*

Measure	Control	Psychosis	p value	Control	Psychosis	p value
Forceps major; forceps minor
FA	0.669	0.649	0.022^†	0.555	0.558	0.75
AD (×10⁻³)	1.51	1.48	0.028^†	1.41	1.41	0.98
RD (×10⁻⁴)	4.07	4.21	0.14	5.17	5.13	0.67
Inferior longitudinal fasciculi
FA	0.542	0.527	0.035^†	0.530	0.519	0.09
AD (×10⁻³)	1.34	1.32	0.039^†	1.33	1.30	0.05
RD (×10⁻⁴)	5.20	5.29	0.21	5.30	5.36	0.40
Superior longitudinal fasciculi (parietal segment)
FA	0.490	0.473	0.014^†	0.482	0.475	0.30
AD (×10⁻³)	1.11	1.10	0.20	1.13	1.12	0.42
RD (×10⁻⁴)	5.09	5.17	0.23	5.12	5.17	0.43
Superior longitudinal fasciculi (temporal segment — arcuate)
FA	0.500	0.489	0.049^†	0.473	0.470	0.54
AD (×10⁻³)	1.15	1.15	0.73	1.12	1.11	0.45
RD (×10⁻⁴)	5.07	5.13	0.30	5.14	5.15	0.83
Corticospinal tract
FA	0.507	0.502	0.29	0.486	0.483	0.59
AD (×10⁻³)	1.16	1.13	0.06^‡	1.14	1.12	0.05
RD (×10⁻⁴)	4.90	4.85	0.33	5.06	5.02	0.41
Uncinate fasciculi
FA	0.443	0.438	0.50	0.435	0.43	0.39
AD (×10⁻³)	1.20	1.19	0.06	1.23	1.22	0.10
RD (×10⁻⁴)	5.80	5.79	0.83	6.00	5.98	0.80
Anterior thalamic radiation
FA	0.450	0.445	0.35	0.427	0.425	0.73
AD (×10⁻³)	1.16	1.14	0.12	1.16	1.15	0.16
RD (×10⁻⁴)	5.50	5.50	0.95	5.77	5.73	0.37
Cingulate gyrus ending
FA	0.575	0.589	0.18	0.522	0.534	0.15
AD (×10⁻³)	1.32	1.34	0.35	1.25	1.26	0.32
RD (×10⁻⁴)	4.71	4.60	0.23	5.08	4.98	0.21
Cingulate gyrus angular bundle
FA	0.378	0.382	0.65	0.385	0.386	0.88
AD (×10⁻³)	1.17	1.15	0.19	1.16	1.16	0.84
RD (×10⁻⁴)	6.35	6.23	0.14	6.24	6.22	0.81

AD = axial diffusivity; FA = fractional anisotropy; RD = radial diffusivity.
↵* Unless otherwise indicated.
↵† Significance with Bonferroni correction was set at p < 0.05 (2-tailed).
↵‡ Where data sets failed the Mann–Whitney U test of normality, the Monte Carlo simulation significance is shown.