Abstract
Traumatic brain injury (TBI), due to a vicious head impact in motor or space vehicle accidents, falls, and sports injuries, causes severe tissue deformation. The impact forces make the brain tissue distorted, twisted, and injured. Due to the impact, the stress inhomogeneity creates highly nonuniform strains and deforms the axons in the white matter. For more than half a century, electrophysiology of brain neurons was considered pure electrical phenomenon. However, recent experimental studies show that mechanical deformation plays a vital role in brain neuron’s electrophysiology. In this work, we model the finite deformation-based coupling of mechanical deformation with the Hodgkin-Huxley (H-H) model of neuron electrophysiology. The sensitivity of stretching on the membrane potential and the generated electrical field is demonstrated.
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Acknowledgements
We are grateful to IIT BOMBAY & IRCC for the financial support (Seed Grant Number Spons/AE/10001729-5/2018) provided during this work.
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Jangid, R., Haldar, K. (2022). Coupling of Mechanical Deformation and Electrophysiology of Brain Neuron Cell. In: Jonnalagadda, K., Alankar, A., Balila, N.J., Bhandakkar, T. (eds) Advances in Structural Integrity. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-8724-2_12
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DOI: https://doi.org/10.1007/978-981-16-8724-2_12
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