The Neurovisceral Integration (NVI) model has demonstrated that there are many associations between physiological and behavioral indicators of cognitive regulation including among respiratory sinus arrythmia (RSA), frontoparietal coherence (FPc), and executive function (EF). EF is associated with both RSA and FPc, and each shows a developmental pattern that could be explained within the Selection, Optimization, and Compensation (SOC) model. Specifically, all develop in childhood, become more efficient in adulthood, and decline in old age. But how all three of these variables interact – especially in adult women – is still unknown. This dissertation consisted of three studies that tested the additive and interactive effects of age, RSA, and FPc on EF in adult women from both a variable- and person-centered approach. We expected to see age moderated interactions between RSA and FPc that predicted EF. Indeed, the Study 1 results indicated age moderated an RSA and FPc interaction that predicted EF. And those results seemed to follow a SOC type pattern. However, Study 2 did not generally replicate those findings. In addition, there were no significant person-centered results from Study 3. Despite the non-replication and lack of person-centered significant results, we caution against concluding with confidence that there are no developmentally based patterns between these physiological and behavioral indicators of cognitive regulation. We acknowledge that there are limitations in this series of studies that might account for the findings.