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  1. Adrenarche and Middle Childhood.Benjamin C. Campbell - 2011 - Human Nature 22 (3):327-349.
    Middle childhood, the period from 6 to 12 years of age, is defined socially by increasing autonomy and emotional regulation, somatically by the development of anatomical structures for subsistence, and endocrinologically by adrenarche, the adrenal production of dehydroepiandrosterone (DHEA). Here I suggest that DHEA plays a key role in the coordinated development of the brain and body beginning with middle childhood, via energetic allocation. I argue that with adrenarche, increasing levels of circulating DHEA act to down-regulate the release of glucose (...)
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  • Middle Childhood and Modern Human Origins.Jennifer L. Thompson & Andrew J. Nelson - 2011 - Human Nature 22 (3):249-280.
    The evolution of modern human life history has involved substantial changes in the overall length of the subadult period, the introduction of a novel early childhood stage, and many changes in the initiation, termination, and character of the other stages. The fossil record is explored for evidence of this evolutionary process, with a special emphasis on middle childhood, which many argue is equivalent to the juvenile stage of African apes. Although the “juvenile” and “middle childhood” stages appear to be the (...)
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  • Getting Noticed.David F. Lancy & M. Annette Grove - 2011 - Human Nature 22 (3):281-302.
    Although it is rarely named, the majority of societies in the ethnographic record demarcate a period between early childhood and adolescence. Prominent signs of demarcation are, for the first time, pronounced gender separation in fact and in role definition; increased freedom of movement for boys, while girls may be bound more tightly to their mothers; and heightened expectations for socially responsible behavior. But above all, middle childhood is about coming out of the shadows of community life and assuming a distinct, (...)
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  • Juvenile Subsistence Effort, Activity Levels, and Growth Patterns.Karen L. Kramer & Russell D. Greaves - 2011 - Human Nature 22 (3):303-326.
    Attention has been given to cross-cultural differences in adolescent growth, but far less is known about developmental variability during juvenility (ages 3–10). Previous research among the Pumé, a group of South American foragers, found that girls achieve a greater proportion of their adult stature during juvenility compared with normative growth expectations. To explain rapid juvenile growth, in this paper we consider girls’ activity levels and energy expended in subsistence effort. Results show that Pumé girls spend far less time in subsistence (...)
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