Determinants of motivated behavior are linked to fatigue and its perturbation by SARS-CoV-2 vaccination
Abstract Background: Fatigue has an adaptive function and serves as a temporary signal to rest and save energy often in response to immune activation. It may, however, also persist in a pathological condition incurring significant burden. While subjective symptoms and scientific consensus indicate that both physical and mental determinants of motivated behavior are affected in fatigue, …