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April 3, 2026Open Access

Neanderthals, Energetic Return on Intelligence, and the Division-of-Labor Threshold of Technical Takeoff

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Authors

PBPeter Belter

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Overview

Article uncovers how Neanderthals failed to achieve technical takeoff due to demographic and cultural challenges.

Key Points

  • The research aims to explore why Neanderthals, despite their intelligence, did not reach civilization-scale technical development.
  • Developed a framework examining the relationship between energetic return and cultural population size.
  • Utilized demographic models to analyze cumulative culture and coordination-constrained specialization.
  • Conducted sensitivity analysis on Neanderthal energetic differentials and their effect on cultural complexity.
  • Identified that modest energetic penalties can lead to decreased effective cultural population sizes.
  • Showed that lower shared knowledge pools and specialty roles resulted from demographic constraints.
  • Demonstrated the importance of interaction networks in sustaining cultural complexity and technical specialization.

Cite This Study

Peter Belter (2026) studied this question.

synapsesocial.com/papers/69cf5ecb5a333a821460d659https://doi.org/10.5281/zenodo.19376941
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