Brain Strain

Local and Global Effects of Inertial Force Components Producing Brain Strain During Head Impacts

Traumatic brain injury (TBI) is a brain dysfunction caused by an external mechanical force and is a leading cause of disability …

Xianghao Zhan, Yuzhe Liu, August G. Domel, Michael Fanton, Zhou Zhou, Samuel J. Raymond, Hossein Vahid Alizadeh, Nicholas J. Cecchi, Michael M. Zeineh, Gerald G. Grant, David B. Camarillo, Svein Kleiven

Differences between two maximal principal strain rate calculation schemes in traumatic brain analysis with in-vivo and in-silico datasets

Brain deformation caused by a head impact leads to traumatic brain injury (TBI). The maximum principal strain (MPS) was used to measure …

Xianghao Zhan, Zhou Zhou, Yuzhe Liu(刘雨喆), Nicholas J. Cecchi, Marzieh Hajiahamemar, Michael M. Zeineh, Gerald A. Grant, David Camarillo

Adaptive Machine Learning Head Model Across Different Head Impact Types Using Unsupervised Domain Adaptation and Generative Adversarial Networks

Machine-learning head models (MLHMs) have shown promise in estimating traumatic brain injury (TBI)-related brain deformation from head …

Xianghao Zhan, Jiawei Sun, Yuzhe Liu(刘雨喆), Nicholas J. Cecchi, Enora Le Flao, Olivier Gevaert, Michael M. Zeineh, David B. Camarillo

Finite element evaluation of an American football helmet featuring liquid shock absorbers for protecting against concussive and subconcussive head impacts

This study develops and evaluates a finite element (FE) model of an American football helmet incorporating 21 liquid shock absorbers …

Nicholas J. Cecchi, Hossein Vahid Alizadeh, Yuzhe Liu(刘雨喆), David B. Camarillo

Finding the Spatial Co-Variation of Brain Deformation With Principal Component Analysis

This study applies principal component analysis (PCA) to investigate spatial co-variation patterns of traumatic brain injury metrics, …

Xianghao Zhan, Yuzhe Liu(刘雨喆), Nicholas J. Cecchi, Olivier Gevaert, Michael M. Zeineh, Gerald A. Grant, David B. Camarillo

Time Window of Head Impact Kinematics Measurement for Calculation of Brain Strain and Strain Rate in American Football

Wearable devices have been shown to effectively measure head movement during impacts in sports such as American football. The device …

Yuzhe Liu, August G. Domel, Nicholas J. Cecchi, Eli Rice, Ashlyn A. Callan, Samuel J. Raymond, Zhou Zhou, Xianghao Zhan, Yiheng Li, Michael M. Zeineh, Gerald A. Grant, David B. Camarillo

The Relationship Between Brain Injury Criteria and Brain Strain Across Different Types of Head Impacts

This study evaluates how brain injury criteria (BIC) relate to brain strain across diverse types of head impacts including sports …

Xianghao Zhan, Yiheng Li, Yuzhe Liu(刘雨喆), August G. Domel, Hossein Vahid Alizadeh, Samuel J. Raymond, Jesse Ruan, Saeed Barbat, Stephen Tiernan, Olivier Gevaert, Michael M. Zeineh, Gerald A. Grant, David B. Camarillo

Rapid Estimation of Entire Brain Strain Using Deep Learning Models

This study proposes a deep learning head model for rapid estimation of whole-brain strain during head impacts. A five-layer deep neural …

Xianghao Zhan, Yuzhe Liu(刘雨喆), Samuel J. Raymond, Hossein Vahid Alizadeh, August G. Domel, Olivier Gevaert, Michael M. Zeineh, Gerald A. Grant, David B. Camarillo

Validation and Comparison of Instrumented Mouthguards for Measuring Head Kinematics and Assessing Brain Deformation in Football Impacts

Instrumented mouthguards are widely used to measure head kinematics due to the rigid coupling of upper dentition and skull. This study …

Yuzhe Liu(刘雨喆), August G. Domel, Seyed Abdolmajid Yousefsani, Jovana Kondic, Gerald A. Grant, Michael Zeineh, David B. Camarillo