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Updated: Oct 14, 2025

Dissection, MicroCT Scanning and Morphometric Analyses of the Baculum

Dissection, MicroCT Scanning and Morphometric Analyses of the Baculum

Published on: March 19, 2017

Three-dimensional surface morphometry differentiates behaviour on primate percussive stone tools.

Tomos Proffitt¹, Jonathan S Reeves¹, Alfonso Benito-Calvo²

¹Technological Primates Research Group, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany.

Journal of the Royal Society, Interface

|November 3, 2021

Summary

This summary is machine-generated.

Researchers developed a new method combining visual analysis and 3D surface quantification to study stone tool use-wear. This technique successfully differentiates damage patterns from specific percussive behaviors in macaques, offering insights into early hominin tool use.

Keywords:

Early Stone Age archaeology macaque tool use percussive technology primate archaeology primate tool use

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Area of Science:

Paleoanthropology
Primatology
Archaeological Science

Background:

Percussive technology was crucial for early hominin subsistence.
Modern primate tool use offers insights into ancient behaviors.
Characterizing stone tool use-wear is vital for understanding past activities.

Purpose of the Study:

To develop and test a novel workflow for analyzing stone tool use-wear.
To differentiate between percussive damage and natural surface topography.
To distinguish specific percussive behaviors in macaques and hominins.

Main Methods:

Combined visual identification and 3D surface quantification of use-wear.
Applied methodology to macaque percussive use-wear.
Utilized analyst-directed, 3D surface, and dimensional analysis.

Main Results:

Successfully differentiated macaque percussive use-wear from natural surface topography.
Identified specific diagnostic signatures for various macaque percussive behaviors.
Demonstrated the efficacy of 3D surface quantification in use-wear analysis.

Conclusions:

The novel workflow provides a quantifiable means to record behavioral signatures in stone tools.
This method enhances our understanding of primate and early hominin percussive technology.
Offers a robust approach for future use-wear studies in archaeology.