Table 2 Heritability of white matter integrities (FA and MD) in the IFOF and three subnetworks of attention.

From: Phenotypic and Genetic Correlations Between the Lobar Segments of the Inferior Fronto-occipital Fasciculus and Attention

 

Left

Right

a2 (95% CI)

e2 (95% CI)

a2 (95% CI)

e2 (95% CI)

FA

 IFOF

0.539 (0.097, 0.796)

0.461 (0.203, 0.903)

0.418 (0.089, 0.715)

0.582 (0.285, 0.911)

 Frontal

0 (0, 0.412)

1 (0.507, 1)

0.247 (0.007, 0.559)

0.753 (0.411, 0.993)

 Insular

0.269 (0, 0.560)

0.731 (0.439, 1)

0.239 (0.019, 0.592)

0.761 (0.403, 0.980)

 Temporal

0.276 (0.019, 0.577)

0.723 (0.422, 0.981)

0.294 (0.025, 0.606)

0.706 (0.393, 0.974)

 Parietal

0 (0, 0.247)

1 (0.695,1)

0.157 (0.004, 0.467)

0.843 (0.533, 0.996)

 Occipital

0.485 (0.012, 0.757)

0.515 (0.243, 0.953)

0.231 (0.098, 0.551)

0.769 (0.448, 0.902)

MD

 IFOF

0.332 (0.002, 0.698)

0.668 (0.301, 1)

0.424 (0.013, 0.720)

0.576 (0.279, 0.983)

 Frontal

0.491 (0.012, 0.732)

0.509 (0.268, 0.891)

0.479 (0.049, 0.738)

0.521 (0.262, 0.959)

 Insular

0.059 (0, 0.886)

0.941 (0.113, 1)

0 (0,0.432)

1 (0.567, 1)

 Temporal

0.620 (0.018, 0.809)

0.380 (0.191, 0.716)

0.365 (0.027, 0.667)

0.635 (0.333, 1)

 Parietal

0.250 (0, 0.649)

0.750 (0.350, 1)

0.229 (0.014, 0.558)

0.771 (0.441, 1)

 Occipital

0.367 (0, 0.695)

0.633 (0.304, 1)

0 (0, 0.292)

1 (0.669, 1)

 

a2 (95% CI)

e2 (95% CI)

  

 Alerting

0 (0, 0.418)

1 (0.581, 1)

  

 Orienting

0.464 (0.122, 0.736)

0.536 (0.057, 0.942)

  

 EC

0.375 (0.084, 0.677)

0.625 (0.323, 0.915)

  
  1. The best model was chosen for each parameter (based on the AIC and Chi-square differences). Abbreviations: IFOF, inferior fronto-occipital fasciculus; FA, fractional anisotropy; MD, mean diffusivity.
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