Table 3.

Fronto-occipital asymmetry (torque)

Left, mean (SD) Right, mean (SD) Difference, L > R (%) p value
Prefrontal (mm3)
    All29,001 (3710)28,736 (2823)0.920.0603
    Male29,697 (3668)29,713 (3706)−0.05 a
    Female28,183 (3642)27,586 (3686)2.16 a
Occipital (mm3)
    All63,407 (8177)57,048 (7642)10.45<0.0001
    Male65,682 (8501)60,341 (7788)8.85 b
    Female60,730 (6989)53,956 (58899)12.55 b
  • aGender difference in prefrontal asymmetry (t (72) = 2.2; p = 0.0272).

  • bGender difference in occipital asymmetry (t (72) = −2.3; p = 0.0243).