A simulation study of generation of unidirectionally propagated action potentials with bipolar electrodes

Author

Tai, Changfeng ; Jiang, Dazong

Author_Institution

Inst. of Biomed. Eng., Xi´´an Jiaotong Univ., China

fYear

1994

fDate

3-6 Nov 1994

Firstpage

365

Abstract

Electrical stimulation of unmyelinated nerve fibers was analyzed, using bipolar point electrodes in a simple volume conductor model and a dynamic model of Hodgkin-Huxley. The cathodal excitation threshold, the anodal block threshold and the virtual cathodal excitation threshold were calculated by a numerical method with axons of different radii. The results show that the rectangular stimulation pulse should have an appropriate width and the two stimulation electrodes should be placed much closely in order to generate unidirectionally propagated action potentials (UPAPs) and use less stimulation energy

Keywords

biocontrol; bioelectric potentials; biomembrane transport; muscle; neurophysiology; physiological models; Hodgkin-Huxley dynamic model; anodal block threshold; axons; bipolar electrodes; bipolar point electrodes; cathodal excitation threshold; electrical stimulation; numerical method; rectangular stimulation pulse; simple volume conductor model; simulation study; spasticity control; stimulation electrodes; stimulation energy; unidirectionally propagated action potentials; unmyelinated nerve fibers; virtual cathodal excitation threshold; Animals; Anodes; Biomedical electrodes; Biomedical engineering; Biomembranes; Cathodes; Conductivity; Conductors; Electrical stimulation; Electrodes; Extracellular; Nerve fibers; Pulse generation; Space vector pulse width modulation;

fLanguage

English

Publisher

ieee

Conference_Titel

Engineering in Medicine and Biology Society, 1994. Engineering Advances: New Opportunities for Biomedical Engineers. Proceedings of the 16th Annual International Conference of the IEEE

Conference_Location

Baltimore, MD

Print_ISBN

0-7803-2050-6

Type

conf

DOI

10.1109/IEMBS.1994.412002

Filename

412002