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Age-Appropriate Wisdom?
Springer Science and Business Media LLC - Tập 32 - Trang 48-83 - 2021
We investigate whether age profiles of ethnobiological knowledge development are
consistent with predictions derived from life history theory about the timing of
productivity and reproduction. Life history models predict complementary
knowledge profiles developing across the lifespan for women and men as they
experience changes in embodied capital and the needs of dependent offspring. We
evaluate ...
Hominid Brain Evolution
Springer Science and Business Media LLC - Tập 20 - Trang 67-79 - 2009
Hypotheses regarding the selective pressures driving the threefold increase in
the size of the hominid brain since Homo habilis include climatic conditions,
ecological demands, and social competition. We provide a multivariate analysis
that enables the simultaneous assessment of variables representing each of these
potential selective forces. Data were collated for latitude, prevalence of
harmful ...
Hierarchy
Springer Science and Business Media LLC - Tập 11 - Trang 259-279 - 2000
Dominance hierarchies (sometimes called “pecking orders”) are virtually
universal in social species, including humans. In most species and in ancestral
and early human societies, these hierarchies allocate scarce resources,
including food and often access to females. Humans sometimes use hierarchies for
these allocational purposes, but humans use hierarchies for productive purposes
as well—as in f...
Giving between generations in American families
Springer Science and Business Media LLC - Tập 1 Số 3 - Trang 211-232 - 1990
Before Cumulative Culture
Springer Science and Business Media LLC - - 2015
In the 7 million years or so since humans shared a common ancestor with
chimpanzees we have colonized more of the planet’s terrestrial habitat than any
other mammalian species and come to account for more biomass than all other
terrestrial vertebrates combined. Chimpanzees, in contrast to and under pressure
from ourselves, have veered toward extinction. There are multiple reasons for
the stark evo...
Complex Sociality of Wild Chimpanzees Can Emerge from Laterality of Manual Gestures
Springer Science and Business Media LLC - Tập 30 - Trang 299-325 - 2019
Humans are strongly lateralized for manual gestures at both individual and
population levels. In contrast, the laterality bias in primates is less strong,
leading some to suggest that lateralization evolved after the Pan and Homo
lineages diverged. However, laterality in humans is also context-dependent,
suggesting that observed differences in lateralization between primates and
humans may be rela...
The Early Expression of Blatant Dehumanization in Children and Its Association with Outgroup Negativity
Springer Science and Business Media LLC - Tập 33 - Trang 196-214 - 2022
Dehumanization is observed in adults across cultures and is thought to motivate
human violence. The age of its first expression remains largely untested. This
research demonstrates that diverse representations of humanness, including a
novel one, readily elicit blatant dehumanization in adults (N = 482) and
children (aged 5–12; N = 150). Dehumanizing responses in both age groups are
associated wit...
Reasoning about dead agents reveals possible adaptive trends
Springer Science and Business Media LLC - Tập 16 Số 4 - Trang 360-381 - 2005
Altruistic cooperation during foraging by the Ache, and the evolved human predisposition to cooperate
Springer Science and Business Media LLC - Tập 13 - Trang 105-128 - 2002
This paper presents quantitative data on altruistic cooperation during food
acquisition by Ache foragers. Cooperative activities are defined as those that
entail a cost of time and energy to the donor but primarily lead to an increase
in the foraging success of the recipient. Data show that Ache men and women
spend about 10% of all foraging time engaged in altruistic cooperation on
average, and th...
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