Fig. 3

Relationship between glutamine concentration (corrected for atrophy and water scaling) in a left prefrontal voxel and neuroticism NEO-FFI for the male (blue) and female (green) subsample. Goodness of fit: r² = 0.069 (r = 0.263), F = 8.045, a = 10.277, b = 4.430; p = 0.005, n = 110)