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Related Experiment Video

Updated: May 17, 2026

Gold Nanorod-assisted Optical Stimulation of Neuronal Cells
09:31

Gold Nanorod-assisted Optical Stimulation of Neuronal Cells

Published on: April 27, 2015

Neural stimulation with optical radiation.

Claus-Peter Richter1, Agnella Izzo Matic, Jonathon D Wells

  • 1Department of Otolaryngology, Feinberg Medical School, Northwestern University, Searle Building 12-470, 303 E. Chicago Avenue, Chicago, IL 60611-3008, USA ; The Hugh Knowles Center, Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL, USA.

Laser & Photonics Reviews
|October 20, 2012
PubMed
Summary
This summary is machine-generated.

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Infrared neural stimulation (INS) offers a precise, non-invasive method for activating neurons using light energy. This technique avoids external dyes and shows promise for advanced neuroprosthetics.

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Optical Physics

Background:

  • Electrical stimulation of neurons faces limitations in spatial resolution and invasiveness.
  • Infrared neural stimulation (INS) emerges as a promising alternative, utilizing optical energy for neural activation.
  • Existing optical methods often rely on exogenous or genetically modified components, which INS aims to circumvent.

Purpose of the Study:

  • To review current research and applications of infrared neural stimulation (INS).
  • To discuss the mechanisms and potential of INS in neuroprosthetics.
  • To compare INS with other optical neural stimulation techniques.

Main Methods:

  • Review of existing literature on infrared neural stimulation.
  • Analysis of INS applications in motor nerves, sensory nerves, central nervous system, and in vitro models.

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Whole Cell Patch Clamp for Investigating the Mechanisms of Infrared Neural Stimulation
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Published on: July 31, 2013

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Last Updated: May 17, 2026

Gold Nanorod-assisted Optical Stimulation of Neuronal Cells
09:31

Gold Nanorod-assisted Optical Stimulation of Neuronal Cells

Published on: April 27, 2015

Optical Control of Living Cells Electrical Activity by Conjugated Polymers
10:16

Optical Control of Living Cells Electrical Activity by Conjugated Polymers

Published on: January 28, 2016

Whole Cell Patch Clamp for Investigating the Mechanisms of Infrared Neural Stimulation
08:58

Whole Cell Patch Clamp for Investigating the Mechanisms of Infrared Neural Stimulation

Published on: July 31, 2013

  • Exploration of INS mechanisms and comparison with other optical stimulation methods.

    • Main Results:

    • Infrared neural stimulation (INS) demonstrates high spatial resolution for targeted neural activation.
    • INS has been successfully applied across various neural tissues and preparations.
    • The mechanism of INS involves direct optical energy deposition, bypassing the need for exogenous agents.

    Conclusions:

    • Infrared neural stimulation (INS) presents a viable, high-resolution alternative to electrical neural stimulation.
    • INS holds significant potential for the development of next-generation neuroprostheses.
    • Further research into INS mechanisms and applications is warranted.