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Environmental adversity, life-history traits and cognitive functioning in children and adolescents
Zhou Jin1, Haonan Guo2, Huijing Lu3
1Department of Psychology, University of Macau, Macau, People's Republic of China.
Abstract:
Cognitive development can be considered a future-oriented investment that involves life-history (LH) trade-offs, which may be compromised in adverse environments. This study examined how cognitive functioning is related to individual-level environmental deprivation and threat, and the moderating role of demographic LH traits (indexed as adolescent fertility rate, AFR). Using data from the Multiple Indicator Cluster Survey and Global Burden of Disease database, a multi-level structural equation model tested cross-level moderation of AFR on the impacts of deprivation and threat on cognitive functioning (n = 63 861 children and adolescents across 38 countries). Deprivation, rather than threat, was negatively associated with cognitive functioning after adjusting for age, sex, education, maternal/carer's education and gross domestic product. High AFR amplified the negative association between deprivation and cognitive functioning. The findings support that cognitive development may respond to environmental cues of deprivation, and the observed association was further modified by social-level fast LH traits.
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