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September 10, 2025NeuroImageOpen Access

Lithic Industries, Modern Tools, and Language: An Evolutionary Perspective Through fMRI

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Authors

CBChloé BrycheMLMathieu LesourdASArthur Seye

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Overview

fMRI findings show that lithic and modern tools activate a shared frontoparietal network, suggesting integral cognitive processing related to technical reasoning.

Key Points

  • Results revealed stronger connectivity between left area PF and the left inferior frontal gyrus as mechanical complexity increased.
  • Functional activation was confirmed for both lithic and modern tool types, indicating a common neural network involved in tool evaluation.
  • Observational analysis of frontoparietal connectivity provided insights into the evolution of tool making and language.
  • These findings highlight hierarchical processing as a shared computational principle in cognitive abilities.

Cite This Study

Bryche et al. (2025) studied this question.

synapsesocial.com/papers/68c1b34d54b1d3bfb60e9cd0https://doi.org/10.1016/j.neuroimage.2025.121404
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Also Consider

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  1. 1The tool-use cortical network contributes to semantic neural representations2024
  2. 2“Mind Over Muscle”: Neural and Biomechanical Signatures of Expertise in Early Stone Tool Use2026
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  4. 4Understanding the role of the frontal lobe in tool-use tasks: how much does it represent domain-general rather than domain-specific contribution?2025
  5. 5Shaping the physical world to our ends: The left PF technical-cognition area2024 · 1 citations