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Jara-Ettinger, Julian; Gibson, Edward; Kidd, Celeste; Piantadosi, Steve – Developmental Science, 2016
Cooperation often results in a final material resource that must be shared, but deciding how to distribute that resource is not straightforward. A distribution could count as fair if all members receive an equal reward ("egalitarian distributions"), or if each member's reward is proportional to their merit ("merit-based…
Descriptors: American Indians, Foreign Countries, Forestry, Geographic Regions
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Piantadosi, Steven T.; Jara-Ettinger, Julian; Gibson, Edward – Developmental Science, 2014
We show that children in the Tsimane', a farming-foraging group in the Bolivian rain-forest, learn number words along a similar developmental trajectory to children from industrialized countries. Tsimane' children successively acquire the first three or four number words before fully learning how counting works. However, their learning is…
Descriptors: Numbers, Number Concepts, Young Children, Child Development
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Virues-Ortega, Javier; Bucks, Romola; Kirkham, Fenella J.; Baldeweg, Torsten; Baya-Botti, Ana; Hogan, Alexandra M. – Developmental Science, 2011
The brain is highly sensitive to environmental hypoxia. Little is known, however, about the neuropsychological effects of high altitude residence in the developing brain. We recently described only minor changes in processing speed in native Bolivian children and adolescents living at approximately 3700 m. However, evidence for loss of cerebral…
Descriptors: Environmental Influences, Metabolism, Social Class, Adolescents
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Hogan, Alexandra M.; Virues-Ortega, Javier; Botti, Ana Baya; Bucks, Romola; Holloway, John W.; Rose-Zerilli, Matthew J.; Palmer, Lyle J.; Webster, Rebecca J.; Baldeweg, Torsten; Kirkham, Fenella J. – Developmental Science, 2010
Millions of people currently live at altitudes in excess of 2500 metres, where oxygen supply is limited, but very little is known about the development of brain and behavioural function under such hypoxic conditions. We describe the physiological, cognitive and behavioural profile of a large cohort of infants (6-12 months), children (6-10 years)…
Descriptors: Ethnicity, American Indians, Adolescents, Foreign Countries