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Electric Stimulation of Neurons and Neural Networks in Retinal Prostheses

Schmid, Erich W. and Fink, Wolfgang and Wilke, Robert (2013) Electric Stimulation of Neurons and Neural Networks in Retinal Prostheses. In: 6th International IEEE EMBS Conference on Neural Engineering. IEEE , Piscataway, NJ, pp. 1108-1111. ISBN 978-1-4673-1969-0.

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A computational model is presented that can be used as a tool in experimental research in retinal implants. In this model a target volume (i.e., a probe cylinder approximating a bipolar cell) in the retina is chosen, and the passive Heaviside cable equation is solved inside the target volume to calculate the depolarization of the cell membrane. The depolarization as a function of time indicates that shorter signals stimulate better, as long as the current does not change sign during stimulation of the retina. The model is equally applicable to epiretinal, subretinal, and suprachoroidal vision implants.

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Additional Information:© 2013 IEEE. Research support: None.
Record Number:CaltechAUTHORS:20140407-112315235
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Official Citation:Schmid, E.W.; Fink, W.; Wilke, R., "Electric stimulation of neurons and neural networks in retinal prostheses," Neural Engineering (NER), 2013 6th International IEEE/EMBS Conference on , vol., no., pp.1108,1111, 6-8 Nov. 2013 doi: 10.1109/NER.2013.6696131
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:44698
Deposited By: Ruth Sustaita
Deposited On:07 Apr 2014 20:11
Last Modified:10 Nov 2021 16:55

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