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Associations of sleep-associated variants with wearable-derived sleep stages in the All of Us research program. [PDF]

Sleep
Chan IN, Nouraie SM, Chan SY, Kelly NJ.
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Stages and Periods in Archaeological Interpretation

Southwestern Journal of Anthropology, 1962
STAGES and periods are different kinds of units used to organize archaeological evidence so that it can be interpreted in terms of cultural change. The difference is that stages are units of cultural similarity, while periods are units of time, or, more specifically, units of contemporaneity. Within a single small area, cultural units which are closely
J. Rowe
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Overview and critique of stages and periods in canine development

Developmental Psychobiology, 1971
AbstractSeveral aspects of CNS and behavioral developnient in relation to stages of development and the critical period of socialization in the dog are reviewed. Environmental and experiential treatments which may modify ontogeny are discussed. With particular emphasis on the specific and nonspecific effects of such treatment on the developing ...
M. Fox
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World History and Societal Evolution: Historical Periods and Psychological Stages

Mankind Quarterly, 2021
This essay combines historical research with developmental psychology and Piagetian Cross-Cultural Psychology. It will be shown that the empirical data that evidence major psychological differences between premodern and modern peoples can be applied to the study of history generally.
Oesterdiekhoff, Georg W., Vonderach, Gerd   +1 more
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Stage Dynamics, Period Survival, and Mortality Plateaus

The American Naturalist, 2008
Mortality plateaus at advanced ages have been found in many species, but their biological causes remain unclear. Here, we exploit age-from-stage methods for organisms with stage-structured demography to study cohort dynamics, obtaining age patterns of mortality by weighting one-period stage-specific survivals by expected age-specific stage structure ...
Carol C, Horvitz, Shripad, Tuljapurkar
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Periodicity and synchronization in blood-stage malaria infection

Journal of Mathematical Biology, 2010
Malaria fever is highly periodic and is associated with the parasite replication cycles in red blood cells. The existence of periodicity in malaria infection demonstrates that parasite replication in different red blood cells is synchronized. In this article, rigorous mathematical analysis of an age-structured human malaria model of infected red blood ...
Su, Ying, Ruan, Shigui, Wei, Junjie
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