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In (1) the authors report the following errors related to the magnitude of ADCav mean and standard deviation (SD) values. Values in the text are correct except for two mean ± SD values on page 192 that should have been ‘…0.8195 ± 0.0566 × 10−3 for females and 0.8175 ± 0.0623 × 10−3 for males’; and two mean values on page 193 that should have been ‘…0.872 × 10−3 mm2/s, not far off the group mean of 0.855 × 10−3 mm2/s’. In Table 1 on page 192, the ADCav standard deviation (SD) values were stated incorrectly as ten times greater than the correct values. Table 1 should be as follows:

Table 1.   White matter average apparent diffusion coefficient (ADCav) by subject group and brain region
Brain RegionADCav (mean ± SD) × 10−3 mm2/sAnalysisa
Bipolar patients (n = 8)Neurological patient controls (n = 8)
  1. aANCOVA with age as the covariate; df = 3; p values are not corrected for the number of comparisons.

Temporal lobe, right0.844 ± 0.0710.801 ± 0.078F = 1.96, p = 0.173
Temporal lobe, left0.890 ± 0.0670.828 ± 0.044F = 3.51, p = 0.049
Occipital lobe, right0.860 ± 0.0790.785 ± 0.045F = 1.82, p = 0.196
Occipital lobe, left0.855 ± 0.0590.775 ± 0.088F = 2.76, p = 0.086
Frontal lobe, right0.842 ± 0.0450.797 ± 0.046F = 5.63, p = 0.012
Frontal lobe, left0.863 ± 0.0420.786 ± 0.039F = 5.29, p = 0.015
Parietal lobe, right0.884 ± 0.0600.804 ± 0.070F = 2.36, p = 0.123
Parietal lobe, left0.868 ± 0.0700.819 ± 0.082F = 0.944, p = 0.450

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