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  • 标题:The Evidence for Geary’s Theory on the Role of Mitochondrial Functioning in Human Intelligence Is Not Entirely Convincing
  • 本地全文:下载
  • 作者:Anna-Lena Schubert ; Dirk Hagemann
  • 期刊名称:Journal of Intelligence
  • 电子版ISSN:2079-3200
  • 出版年度:2020
  • 卷号:8
  • 期号:3
  • 页码:29-36
  • DOI:10.3390/jintelligence8030029
  • 出版社:MDPI Publishing
  • 摘要:Geary (2018, 2019) suggested that heritable and environmentally caused differences in mitochondrial functioning affect the integrity and efficiency of neurons and supporting glia cells and may thus contribute to individual differences in higher-order cognitive functioning and physical health. In our comment, we want to pose three questions aimed at different aspects of Geary’s theory that critically evaluate his theory in the light of evidence from neurocognitive, cognitive enhancement, and behavioral genetics research. We question (1) if Geary’s theory explains why certain cognitive processes show a stronger age-related decline than others; (2) if intervention studies in healthy younger adults support the claim that variation in mitochondrial functioning underlies variation in human intelligence; and (3) if predictions arising from the matrilineal heredity of mitochondrial DNA are supported by behavioral genetics research. We come to the conclusion that there are likely many more biological and social factors contributing to variation in human intelligence than mitochondrial functioning.
  • 关键词:general intelligence; mitochondrial functioning; behavioral genetics; cognitive enhancement; cognitive processes general intelligence ; mitochondrial functioning ; behavioral genetics ; cognitive enhancement ; cognitive processes
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