myelinated nerve fiber
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2020 ◽  
pp. 249-267
Author(s):  
Dragan Poljak ◽  
Mario Cvetković ◽  
Vicko Dorić ◽  
Ivana Zulim ◽  
Zoran Đogaš ◽  
...  

The paper reviews certain integral equation approaches and related numerical methods used in studies of biomedical applications of electromagnetic fields pertaining to transcranial magnetic stimulation (TMS) and nerve fiber stimulation. TMS is analyzed by solving the set of coupled surface integral equations (SIEs), while the numerical solution of governing equations is carried out via Method of Moments (MoM) scheme. A myelinated nerve fiber, stimulated by a current source, is represented by a straight thin wire antenna. The model is based on the corresponding homogeneous Pocklington integro-differential equation solved by means of the Galerkin Bubnov Indirect Boundary Element Method (GB-IBEM). Some illustrative numerical results for the TMS induced fields and intracellular current distribution along the myelinated nerve fiber (active and passive), respectively, are presented in the paper.


2020 ◽  
Vol 34 (3) ◽  
pp. 209
Author(s):  
SaadH Alenezi ◽  
Rawan Al-Shabeeb ◽  
HaniB AlBalawi ◽  
SamarA Al-Swailem

Author(s):  
Dragan Poljak ◽  
Mario Cvetković ◽  
Vicko Dorić ◽  
Ivana Zulim ◽  
Zoran Đogaš ◽  
...  

The paper reviews certain integral equation approaches and related numerical methods used in studies of biomedical applications of electromagnetic fields pertaining to transcranial magnetic stimulation (TMS) and nerve fiber stimulation. TMS is analyzed by solving the set of coupled surface integral equations (SIEs), while the numerical solution of governing equations is carried out via Method of Moments (MoM) scheme. A myelinated nerve fiber, stimulated by a current source, is represented by a straight thin wire antenna. The model is based on the corresponding homogeneous Pocklington integro-differential equation solved by means of the Galerkin Bubnov Indirect Boundary Element Method (GB-IBEM). Some illustrative numerical results for the TMS induced fields and intracellular current distribution along the myelinated nerve fiber (active and passive), respectively, are presented in the paper.


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