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Andrew K. Knutsen
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Journal Articles

Comparison of Deformation Patterns Excited in the Human Brain In Vivo by Harmonic and Impulsive Skull Motion

Jordan D. Escarcega, Andrew K. Knutsen, Ahmed A. Alshareef, Curtis L. Johnson, Ruth J. Okamoto, Dzung L. Pham, Philip V. Bayly
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. August 2023, 145(8): 081006.
Paper No: BIO-22-1312
https://doi.org/10.1115/1.4062809
Published Online: June 30, 2023
View Article titled, Comparison of Deformation Patterns Excited in the Human Brain In Vivo by Harmonic and Impulsive Skull Motion
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Topics: Brain, Deformation, Magnetic resonance imaging, Tensors, Elastography, Magnetic resonance
Includes: Supplementary data
Journal Articles

Statistical Characterization of Human Brain Deformation During Mild Angular Acceleration Measured In Vivo by Tagged Magnetic Resonance Imaging

Deva D. Chan, Andrew K. Knutsen, Yuan-Chiao Lu, Sarah H. Yang, Elizabeth Magrath, Wen-Tung Wang, Philip V. Bayly, John A. Butman, Dzung L. Pham
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. October 2018, 140(10): 101005.
Paper No: BIO-17-1419
https://doi.org/10.1115/1.4040230
Published Online: June 21, 2018
View Article titled, Statistical Characterization of Human Brain Deformation During Mild Angular Acceleration Measured In Vivo by Tagged Magnetic Resonance Imaging
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Topics: Biological tissues, Brain, Deformation, Magnetic resonance imaging, Rotation, Biomechanics
Includes: Supplementary data
Proceedings Papers

Morphogenetic and Residual Strains in the Embryonic Chick Brain

Benjamen A. Filas, Gang Xu, Andrew K. Knutsen, Philip V. Bayly, Larry A. Taber
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 1011-1012, June 25–29, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SBC2008-191781
https://doi.org/10.1115/SBC2008-191781
View Paper titled, Morphogenetic and Residual Strains in the Embryonic Chick Brain
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Topics: Brain, Cerebrospinal fluid, Pressure, Shapes
Proceedings Papers

MRI Measurement of Surface Strain Due to Growth in the Developing Ferret Brain

Andrew K. Knutsen, Christopher D. Kroenke, Larry A. Taber, Jeffrey J. Neil, Philip V. Bayly
Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 551-552, June 20–24, 2007
Publisher: American Society of Mechanical Engineers
Paper No: SBC2007-176010
https://doi.org/10.1115/SBC2007-176010
View Paper titled, MRI Measurement of Surface Strain Due to Growth in the Developing Ferret Brain
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Topics: Brain, Kinematics, Magnetic resonance imaging, Tension
Proceedings Papers

Quantification of Cortical Surface Convolution in the Developing Ferret and Human Infant

Andrew K. Knutsen, Jason E. Hill, Jeffrey J. Neil, Terrie E. Inder, Philip V. Bayly
Proc. ASME. SBC2009, ASME 2009 Summer Bioengineering Conference, Parts A and B, 1225-1226, June 17–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: SBC2009-205716
https://doi.org/10.1115/SBC2009-205716
View Paper titled, Quantification of Cortical Surface Convolution in the Developing Ferret and Human Infant
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Topics: Shapes, Tension
Journal Articles

A New Method to Measure Cortical Growth in the Developing Brain

Andrew K. Knutsen, Yulin V. Chang, Cindy M. Grimm, Ly Phan, Larry A. Taber, Philip V. Bayly
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. October 2010, 132(10): 101004.
https://doi.org/10.1115/1.4002430
Published Online: October 1, 2010
View Article titled, A New Method to Measure Cortical Growth in the Developing Brain
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Topics: Algorithms, Brain, Deformation, Magnetic resonance imaging, Finite element methods, Finite element analysis, Density, Image segmentation, Tensors
Journal Articles

Axons Pull on the Brain, But Tension Does Not Drive Cortical Folding

Gang Xu, Andrew K. Knutsen, Krikor Dikranian, Christopher D. Kroenke, Philip V. Bayly, Larry A. Taber
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. July 2010, 132(7): 071013.
https://doi.org/10.1115/1.4001683
Published Online: June 2, 2010
View Article titled, Axons Pull on the Brain, But Tension Does Not Drive Cortical Folding
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Topics: Brain, Tension, Stress, Biological tissues
Journal Articles

A New Method for Measuring Deformation of Folding Surfaces During Morphogenesis

Benjamen A. Filas, Andrew K. Knutsen, Philip V. Bayly, Larry A. Taber
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. December 2008, 130(6): 061010.
https://doi.org/10.1115/1.2979866
Published Online: October 14, 2008
View Article titled, A New Method for Measuring Deformation of Folding Surfaces During Morphogenesis
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Topics: Brain, Deformation, Fittings, Errors, Cylinders