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Updated: May 20, 2026

Large Volume, Behaviorally-relevant Illumination for Optogenetics in Non-human Primates
08:32

Large Volume, Behaviorally-relevant Illumination for Optogenetics in Non-human Primates

Published on: October 3, 2017

Optogenetically induced behavioral and functional network changes in primates.

Annelies Gerits1, Reza Farivar, Bruce R Rosen

  • 1Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA 02129, USA.

Current Biology : CB
|July 31, 2012
PubMed
Summary
This summary is machine-generated.

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Optogenetics successfully modulated monkey brain activity and behavior during a visually guided saccade task. This breakthrough advances optogenetic primate research and potential cell-specific therapies for neurological diseases.

Area of Science:

  • Neuroscience
  • Primate Research
  • Optogenetics

Background:

  • Optogenetics is a powerful tool for causal brain research, with extensive use in invertebrates and rodents.
  • Previous primate studies showed limited success, reporting only single-cell activity modulation without behavioral effects.

Purpose of the Study:

  • To investigate the effects of optogenetic stimulation on cortical neurons in rhesus monkeys during a visually guided saccade task.
  • To explore optogenetically induced changes in brain activity using concurrent optogenetic stimulation and opto-functional MRI (opto-fMRI).

Main Methods:

  • Optogenetic stimulation of cortical neurons in the rhesus monkey arcuate sulcus.
  • Execution of a visually guided saccade task.
  • Concurrent optogenetic stimulation and opto-fMRI to measure brain activity.

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Last Updated: May 20, 2026

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Main Results:

  • Significant and reproducible changes in saccade latencies were observed, dependent on target position.
  • Optogenetically induced changes in fMRI activity were detected in specific functional cortical networks across the monkey brain.

Conclusions:

  • Optogenetics can effectively modulate both brain activity and behavior in primates.
  • This study provides critical data for advancing optogenetic primate models.
  • Findings support the development of optogenetically based therapies for human neurological diseases.