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Perceptual Efficacy of Electrical Stimulation of Human Retina with a Microelectrode Array during Short-Term Surgical Trials

Investigative Ophthalmology & Visual Science · 2003 · Vol. 44(12) · pp. 5362–5362

Joseph F. Rizzo✉(Massachusetts Eye and Ear Infirmary)John L. Wyatt(Massachusetts Institute of Technology)John I. Loewenstein(Massachusetts Eye and Ear Infirmary)Shawn Kelly(Massachusetts Institute of Technology)D. B. Shire

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Abstract

Single percepts induced by single-electrode stimulation were relatively small, but the form of percepts, especially after multielectrode stimulation, often did not match the stimulation pattern, even in a normal-sighted volunteer. Reproducible percepts were more easily generated than those that matched the stimulation pattern.

Neuroscience and Neural Engineering Advanced Memory and Neural Computing EEG and Brain-Computer InterfacesRetinitis pigmentosaReproducibilityVisual prosthesisStimulationRetinal implantAudiologyOphthalmologyMedicineElectrode arrayRetina

MeSH terms

AdultAgedBlindnessElectric StimulationFalse Positive ReactionsFemaleHumansMaleMicroelectrodesMiddle AgedPredictive Value of TestsRetinaldehydeRetinitis PigmentosaSensory ThresholdsVisual Perception

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