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Related Experiment Video

Updated: May 9, 2026

Optrode Array for Simultaneous Optogenetic Modulation and Electrical Neural Recording
06:36

Optrode Array for Simultaneous Optogenetic Modulation and Electrical Neural Recording

Published on: September 1, 2022

Tools, methods, and applications for optophysiology in neuroscience.

Niklas Smedemark-Margulies1, Josef G Trapani

  • 1Department of Biology and Neuroscience Program, Amherst College Amherst, MA, USA.

Frontiers in Molecular Neuroscience
|July 25, 2013
PubMed
Summary

Optogenetics and genetically encoded photosensors offer powerful new tools for neuroscience research. These optophysiology methods enable precise control and observation of neuronal function, advancing studies of neural circuits and diseases.

Keywords:
ChR2channelrhodopsingenetically encoded sensorshalorhodopsinsoptical reporteroptogeneticsphotoactuatorsphotosensors

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Last Updated: May 9, 2026

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Published on: February 25, 2022

Area of Science:

  • Neuroscience
  • Biotechnology

Background:

  • Optogenetics and genetically encoded photosensors have revolutionized neuroscience research.
  • A diverse array of protein tools are available for manipulating cellular functions.
  • Genetically encoded sensors allow real-time optical tracking of cellular activity.

Purpose of the Study:

  • To review novel optophysiology tools and methods.
  • To survey current and future applications in neuroscience.

Main Methods:

  • Utilizing light-gated ion channels and G protein-coupled receptors.
  • Employing genetically encoded sensors like voltage-sensitive fluorophores and calcium indicators.
  • Leveraging advanced optics for high spatiotemporal control and observation.

Main Results:

  • Development of tools for precise neuronal manipulation and monitoring.
  • Advancements in controlled protein expression for targeted cell studies.
  • Integration of optics technology for enhanced experimental fidelity.

Conclusions:

  • Optophysiology methods offer significant potential for studying neural circuits, behavior, and disease models.
  • These tools are valuable for both in vivo and high-throughput ex vivo investigations.
  • The field of optophysiology is rapidly evolving with expanding applications.