Toward the development of a cortically based visual neuroprosthesis

Richard A. Normann, Bradley A. Greger, Paul House, Samuel F. Romero, Francisco Pelayo, Eduardo Fernandez

Research output: Contribution to journalArticlepeer-review

124 Scopus citations


Motivated by the success of cochlear implants for deaf patients, we are now facing the goal of creating a visual neuroprosthesis designed to interface with the occipital cortex as a means through which a limited but useful sense of vision could be restored in profoundly blind patients. We review the most important challenges regarding this neuroprosthetic approach and emphasize the need for basic human psychophysical research on the best way of presenting complex stimulating patterns through multiple microelectrodes. Continued research will hopefully lead to the development of and design specifications for the first generation of a cortically based visual prosthesis system.

Original languageEnglish (US)
Article number035001
JournalJournal of neural engineering
Issue number3
StatePublished - 2009
Externally publishedYes

ASJC Scopus subject areas

  • Biomedical Engineering
  • Cellular and Molecular Neuroscience


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