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Full-Text Articles in Life Sciences
Dietary Regulation Of Successful Aging, Aubree L. Hawley
Dietary Regulation Of Successful Aging, Aubree L. Hawley
Graduate Theses and Dissertations
The current growth of the older population is unprecedented in U.S. history. Chronic disease and functional limitation commonly develop prior to old age, leading to prolonged physical disability and decreased well-being. The development of chronic disease and loss of independence is associated with lean body mass (LBM) loss and fat mass gain beginning in middle age. Therefore, it is important to identify modifiable factors to mitigate deleterious shifts in body composition to promote successful aging (SA). The concept of SA is associated with longevity, the absence of disease and disability, and subjective components of well-being, however, an operational definition has …
Microrna Gene Expression States Underlying Individual Variation In Aging And Lifespan In Isogenic C. Elegans, Holly Kinser
Microrna Gene Expression States Underlying Individual Variation In Aging And Lifespan In Isogenic C. Elegans, Holly Kinser
McKelvey School of Engineering Theses & Dissertations
Average lifespan differs greatly between species, but lifespan among same-species individuals is also highly variable. While much effort has been devoted to uncovering longevity-associated traits and lifespan-extending perturbations in humans and model organisms, how differences in lifespan arise between individuals is unknown. Studies of human identical twins demonstrate that surprisingly little of the variation in lifespan between individuals can be explained by genetics and shared environment. Furthermore, even genetically identical C. elegans reared in highly homogeneous environments display a degree of variability in lifespan similar to that of outbred human populations. Thus, longevity must be determined at least in part …
High-Resolution Spectral Sleep Analysis Reveals A Novel Association Between Slow Oscillations And Memory Retention In Elderly Adults, Makoto Kawai, Logan D. Scheider, Omer Linkovski, Joshua Jordan, Rosy Karna, Sophia Pirog, Isabelle Cotto, Casey Buck, William J. Giardino, Ruth O'Hara
High-Resolution Spectral Sleep Analysis Reveals A Novel Association Between Slow Oscillations And Memory Retention In Elderly Adults, Makoto Kawai, Logan D. Scheider, Omer Linkovski, Joshua Jordan, Rosy Karna, Sophia Pirog, Isabelle Cotto, Casey Buck, William J. Giardino, Ruth O'Hara
Psychology | Faculty Scholarship
Objective: In recognition of the mixed associations between traditionally scored slow wave sleep and memory, we sought to explore the relationships between slow wave sleep, electroencephalographic (EEG) power spectra during sleep and overnight verbal memory retention in older adults.
Design, Setting, Participants, and Measurements: Participants were 101 adults without dementia (52% female, mean age 70.3 years). Delayed verbal memory was first tested in the evening prior to overnight polysomnography (PSG). The following morning, subjects were asked to recall as many items as possible from the same List (overnight memory retention; OMR). Partial correlation analyses examined the associations of delayed verbal …