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Grumet, Andrew E. Extracellular Electrical Stimulation of Retinal Ganglion
Cells. Master's Thesis, Massachusetts Institute of Technology, 1994.
The goal of this thesis is to design a stimulating electrode which
employs a novel geometry to selectively stimulate retinal ganglion
Discussions of the retina and of the retinal prosthesis are
provided at the outset of the thesis.
Simple models of nerve cells are then constructed and analyzed
both to guide the design process and also to develop a
general understanding of electrical stimulation.
Analysis leads to the specification of a new experimental
electrode and a description of how it was constructed.
A description of preliminary experiments which were conducted
to test the electrode follows.
Due to a number of unresolved experimental issues, experimental
results were inconclusive.
Suggestions for further study are made in the
concluding chapter of the thesis.