• IEEE Trans Neural Syst Rehabil Eng · Jun 2005

    A bidomain model of epiretinal stimulation.

    • Socrates Dokos, Gregg J Suaning, and Nigel H Lovell.
    • Graduate School of Biomedical Engineering, University of New South Wales, Sydney, NSW 2052, Australia. s.dokos@unsw.adu.au
    • IEEE Trans Neural Syst Rehabil Eng. 2005 Jun 1; 13 (2): 137-46.

    AbstractA computational bidomain model of epiretinal stimulation is presented, consisting of a continuum description of active retinal tissue in contact with bulk vitreous fluid. Results from two-electrode and four-electrode bipolar stimulation suggest that a biphasic cathodic-anodic stimulus sequence is effective in providing targeted focal activation of retinal tissue. Undesired secondary activations beneath each electrode return may be eliminated by using multiple returns for each stimulus electrode.

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