Can sulci protect the brain from traumatic injury?

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Ho, Johnson¹; Kleiven, Svein¹

Can sulci protect the brain from traumatic injury?

J Biomech. September 18, 2009;42(13):2074-2080

©2009 Elsevier Ltd. All rights reserved

Affiliations

¹Division of Neuronic Engineering, School of Technology and Health, Royal Institute of Technology, Stockholm, Sweden
Abstract and keywords

The influence of sulci in dynamic finite element simulations of the human head has been investigated. First, a detailed 3D FE model was constructed based on an MRI scan of a human head. A second model with a smoothed brain surface was created based on the same MRI scan as the first FE model. These models were validated against experimental data to confirm their human-like dynamic responses during impact. The validated FE models were subjected to several acceleration impulses and the maximum principle strain and strain rate in the brain were analyzed. The results suggested that the inclusion of sulci should be considered for future FE head models as it alters the strain and strain distribution in an FE model.

Keywords: Human head model; Finite element analysis; Cerebral convolution; Traumatic brain injury
Links

DOI: 10.1016/j.jbiomech.2009.06.051

PubMed: 19679308

WoS: 000270478000010
History

Accepted: 2009-06-02

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Cited By (18)

Year	Entry
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2019	Sanchez EJ, Gabler LF, Good AB, Funk JR, Crandall JR, Panzer MB. A reanalysis of football impact reconstructions for head kinematics and finite element modeling. Clin Biomech (Bristol, Avon). April 2019;64:82-89.
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2021	Zimmerman KA, Kim J, Karton C, Lochhead L, Sharp DJ, Hoshizaki T, Ghajari M. Player position in American football influences the magnitude of mechanical strains produced in the location of chronic traumatic encephalopathy pathology: a computational modelling study. J Biomech. March 30, 2021;118:110256.
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2014	Patton DA. The Biomechanical Determinants of Sports-Related Concussion: Finite Element Simulations of Unhelmeted Head Impacts to Evaluate Kinematic and Tissue-Level Predictors of Injury and Investigate the Design Implications for Soft-Shell Headgear [PhD thesis]. University of New South Wales; March 2014.
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2020	Giudice JS. Personalized Finite Element Modeling of the Brain: Understanding Subject-Specific Deformation Patterns [PhD thesis]. Charlottesville, VA: University of Virginia; December 2020.