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Theta phase‐gamma amplitude coupling during working memory and its relationships with demographic, clinical, genetic, neurochemical, and neurostructural measures in older adults at risk for dementia

Theta phase‐gamma amplitude coupling (TGC) is a neurophysiological mechanism that underlies working memory (WM)1. WM is also associated with demographic, clinical, genetic and neuroimaging measures. However, the relative contributions of TGC and these measures to WM, and the relationship between TGC and these measures, remains unclear. We examined the relative contributions of TGC and these measures to WM performance in a group of participants at‐risk for Alzheimer’s dementia.