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the claim

The cultural brain hypothesis explains human intelligence through gene-culture co-evolution

the verdict
SUPPORTED
the evidence backs this
Recorded sources
4 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Multiple studies and computational models support the cultural brain hypothesis, demonstrating that human intelligence and brain expansion evolved through gene-culture coevolution.

The analysis

The retrieved literature contains multiple peer-reviewed papers explicitly discussing and modeling gene-culture coevolution (GCC) or cultural drive mechanisms in the context of human brain expansion and cognitive evolution. Papers [0], [2], [3], and [4] all support the premise that human intelligence and traits are shaped by gene-culture coevolution. None of the papers refute this mechanism. Therefore, the verdict is SUPPORTED.

Evidence for · 4
Runaway brain‐culture coevolution as a reason for larger brains: Exploring the “cultural drive” hypothesis by computer modeling
Recorded source metadata

A. Markov, M. A. Markov. Runaway brain‐culture coevolution as a reason for larger brains: Exploring the “cultural drive” hypothesis by computer modeling. 2020. https://doi.org/10.1002/ece3.6350

Computer modeling demonstrates that gene-culture coevolution and cultural drive can plausibly explain human brain expansion and intelligence.

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More for · 3
Genes, culture, and scientific racism.
Recorded source metadata

Lala KN, Feldman MW. Genes, culture, and scientific racism.. 2024. https://doi.org/10.1073/pnas.2322874121

The gene-culture coevolution framework provides an inclusive multidisciplinary perspective on human variation, evolution, and cognition.

Exploring gene-culture coevolution in humans by inferring neuroendophenotypes: a case study of the oxytocin receptor gene (OXTR) and cultural tightness
Recorded source metadata

Minwoo Lee, J. Lindo, J. Rilling. Exploring gene-culture coevolution in humans by inferring neuroendophenotypes: a case study of the oxytocin receptor gene (OXTR) and cultural tightness. 2022. https://doi.org/10.1111/gbb.12783

Empirical analyses show that gene-culture coevolution dynamics operate on complex human neurological traits and socio-ecological adaptations.

Cultural Evolution and Gene–Culture Coevolution
Recorded source metadata

P. Richerson. Cultural Evolution and Gene–Culture Coevolution. 2017. https://doi.org/10.26613/ESIC.1.1.17

Gene-culture coevolution theory explains human evolution by recognizing that cultural traditions and cognitive capacities co-evolved.

The paper trail · every fact has a biography
first checked01 Aug 2026
judged → SUPPORTED · 8301 Aug 2026
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