Periodic and Aperiodic Contributions to Theta-Beta Ratios Across Adulthood
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Description: Describes data and analyses for Finley, Angus, van Reekum, Davidson, & Schaefer (2022). Periodic and Aperiodic Contributions to Theta-Beta Ratios Across Adulthood. Psychophysiology. Theta-beta ratio (TBR) decreases with age and negatively predicts executive function, while theta increases with age and positively predicts executive function. This registration is specific to analyses of MIDUS2 initial baseline EEG data examining the role of theta and beta to age related differences in TBRs, and the potential influence of individual differences in peak alpha power to TBRs. Additional (non-preregistered) analyses regarding the aperiodic component of resting EEG data were also conducted.