Figure 4.

Correlations between mean LC diffusion measures and RAVLT delayed recall in the older adult group. Statistically significant correlations were observed between mean LC MD (A), mean LC RD (B), and mean LC AD (C) with RAVLT delayed recall. LC – locus coeruleus; MD – mean diffusivity; AD – axial diffusivity; RD – radial diffusivity; FA – fractional anisotropy; RAVLT – Rey Auditory Verbal Learning Test.