Figure 5.

Comparison of primary and alternative hypothesis models testing the relation between adjusted damping ratio in hippocampal subfields and spatial reconstruction accuracy. Standardized coefficients and significance (* p < 0.05) are reported; R² estimates reflect the variance explained in spatial reconstruction accuracy by the specified model. (A) The hypothesized model tested if adjusted-ε’ in the CA3-dentate gyrus predicted relational memory accuracy, when including the other subfield measures as correlates that did not predict performance. (B) The alternative hypothesis model evaluates if a general effect of damping ratio within the hippocampal body accounted for variability in performance. Model fit comparisons are reported in the Results section and favored the hypothesized model. A comparison of effects illustrated here demonstrate that the measure from CA3-dentate gyrus, alone, replicates the correlation observed with a general measure of hippocampal damping ratio.