Cavitation causes brain injury

Ji Lang; Rungun Nathan; Dong Zhou; Xuewei Zhang; Bo Li; Qianhong Wu

doi:10.1063/5.0041139

Cavitation causes brain injury

Ji Lang, Rungun Nathan, Dong Zhou, Xuewei Zhang, Bo Li, Qianhong Wu

Division of Engineering, Business & Computing (Berks)

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

In this study, an artificial transparent head surrogate with high-speed photography discovers the formation and collapse of cavitation bubbles near the contrecoup regions as the head is exposed to a sudden translational impact. The cavitation damages the brain surface and produces a shock wave through the brain matter. Based on a novel experimental design, this new finding uncovers the mystery of the motion and deformation of the soft brain matter, which is not visible otherwise. It suggests that current brain injury criteria may underestimate the risk of head collision.

Original language	English (US)
Article number	031908
Journal	Physics of Fluids
Volume	33
Issue number	3
DOIs	https://doi.org/10.1063/5.0041139
State	Published - Mar 1 2021

All Science Journal Classification (ASJC) codes

Computational Mechanics
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Fluid Flow and Transfer Processes

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10.1063/5.0041139

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abstract = "In this study, an artificial transparent head surrogate with high-speed photography discovers the formation and collapse of cavitation bubbles near the contrecoup regions as the head is exposed to a sudden translational impact. The cavitation damages the brain surface and produces a shock wave through the brain matter. Based on a novel experimental design, this new finding uncovers the mystery of the motion and deformation of the soft brain matter, which is not visible otherwise. It suggests that current brain injury criteria may underestimate the risk of head collision.",

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AU - Zhou, Dong

AU - Zhang, Xuewei

AU - Li, Bo

AU - Wu, Qianhong

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Cavitation causes brain injury

Abstract

All Science Journal Classification (ASJC) codes

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