Target structures in the cochlea for infrared neural stimulation (INS)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

Spatial selective infrared neural stimulation has potential to improve neural prostheses, including cochlear implants. The heating of a confined target volume depolarizes the cell membrane and results in an action potential. Tissue heating may also result in the generation of a stress relaxation wave causing mechanical stimulation of hair cells in the cochlea, creating an optoacoustic response. Data are presented that quantify the effect of an acoustical stimulus (noise masker) on the response obtained with INS in normal hearing, and chronic deaf animals. While in normal hearing animals an acoustic masker can reduce the response to INS, in chronic deaf animals this effect has not been detected. The responses to INS remain stable following the different degrees of cochlear damage.

Original languageEnglish (US)
Title of host publicationOptical Techniques in Neurosurgery, Neurophotonics, and Optogenetics
PublisherSPIE
Volume8928
ISBN (Print)9780819498410
DOIs
StatePublished - Jan 1 2014
EventOptical Techniques in Neurosurgery, Neurophotonics, and Optogenetics - San Francisco, CA, United States
Duration: Feb 1 2014Feb 4 2014

Other

OtherOptical Techniques in Neurosurgery, Neurophotonics, and Optogenetics
CountryUnited States
CitySan Francisco, CA
Period2/1/142/4/14

Keywords

  • cochlea
  • hearing
  • infrared neural stimulation
  • laser
  • masking

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Radiology Nuclear Medicine and imaging

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