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Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury

Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury

Published on: November 19, 2012

Microscopic characteristics of hacking trauma.

B K Tucker¹, D L Hutchinson, M F Gilliland

¹Department of Anthropology and Biology, East Carolina University, Greenville, NC 27858, USA.

Journal of Forensic Sciences

|April 18, 2001

Summary

This study shows that microscopic striations on bone can link hacking trauma to specific weapon types like machetes and axes. Researchers analyzed bone cuts and weapon blades using scanning electron microscopy to identify these correlations.

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Area of Science:

Forensic Science
Bioarchaeology
Materials Science

Background:

Identifying tool marks on bone is crucial in forensic investigations.
Previous research has focused on sharp force trauma, but hacking trauma requires distinct analysis.
Microscopic analysis offers potential for detailed weapon-bone interaction studies.

Purpose of the Study:

To determine if microscopic parallel striations on bone can be associated with specific hacking weapons.
To establish a correlation between bone trauma and tool marks from machetes, axes, and cleavers.
To advance the methods used in forensic analysis of skeletal trauma.

Main Methods:

Experimental hacking trauma was inflicted on pig bones using machetes, axes, and cleavers.
Scanning electron microscopy (SEM) was employed to analyze the bone cut surfaces.
Negative impressions of both bone surfaces and weapon blades were examined using SEM.

Main Results:

Distinct microscopic parallel striations were observed on the bone surfaces.
SEM analysis revealed patterns consistent with the characteristics of the hacking weapons used.
A correlation was established between the type of hacking weapon and the resulting bone trauma striations.

Conclusions:

It is possible to associate classes of hacking weapons with bone trauma based on microscopic striations.
SEM analysis of bone striations provides a viable method for identifying the class of weapon used.
This research contributes to the field of forensic anthropology and bioarchaeology by refining trauma analysis techniques.