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Issue Date
2015-05-20
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León, F. R., & Burga-León, A. (2015). How geography influences complex cognitive ability. Intelligence, 50, 221–227. doi:10.1016/j.intell.2015.04.011Publisher
Elsevier B.V.Journal
IntelligenceDOI
10.1016/j.intell.2015.04.011Additional Links
http://www.sciencedirect.com/science/article/pii/S0160289615000586Abstract
Evolutionary explanations for geography's influence on complex cognitive ability (CCA) imply virtually immutable components of between-nation IQ differences. Their weight vis-à-vis the weight of situational components was evaluated through an analysis of a 194-country data set. Additive effects of absolute latitude (AL) and longitudinal distance from Homo sapiens' cradle (LDC) explain Northeastern Asian higher, Sub-Saharan African lower CCAs. AL exerts cognitive influence directly and through socioeconomic development and evolutionary genetics whereas LDC does through evolutionary genetics; however, this occurs differently in Africa-Near East- Europe and elsewhere. The findings are understood assuming supremacy of contemporary UVB radiation → hormonal and climatic → socioeconomic mediators of the AL–CCA linkage whose effects are moderated by heterogeneous genetic and cultural adaptations to radiation and climate. Geography's cognitive effects are dynamic and public-policy actions may modify them.Type
info:eu-repo/semantics/articleRights
info:eu-repo/semantics/openAccessLanguage
engDescription
federicorleone@gmail.comISSN
0160-2896ae974a485f413a2113503eed53cd6c53
10.1016/j.intell.2015.04.011
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