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Updated: Jun 21, 2025
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A Method for High Fidelity Optogenetic Control of Individual Pyramidal Neurons In vivo
Published on: September 2, 2013
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A large-scale optogenetic neurophysiology platform for improving accessibility in non-human primate behavioral
Devon J Griggs1,2, Julien Bloch2,3, Noah Stanis2,3
1University of Washington, Seattle, Department of Electrical and Computer Engineering.
Biorxiv : the Preprint Server for Biology
|July 9, 2024
Summary
This study presents a new platform for optogenetics and electrophysiology in non-human primates, overcoming technical challenges. The system enables simultaneous neural recording and behavioral modulation for studying brain disorders.
Area of Science:
- Neuroscience
- Primate Research
- Optogenetics
Background:
- Optogenetics is a powerful tool but faces challenges in non-human primate (NHP) research.
- Existing methods lack large-scale optical access, efficient viral delivery, and suitable hardware for patterned illumination.
Purpose of the Study:
- To introduce an accessible platform integrating optogenetics and electrophysiology for NHPs.
- To enable behavioral and neural modulation alongside neurophysiological recording.
Main Methods:
- Developed a novel platform for simultaneous optogenetics and electrophysiology in two rhesus macaques.
- Integrated electrode arrays for optical access and hardware for patterned cortical illumination.
Main Results:
- Demonstrated optogenetic disruption of reaching behavior in NHPs.
- Simultaneously monitored electrocorticography activity during stimulation-induced behavioral changes.
- Showcased long-term stability and functionality of the platform over months.
Conclusions:
- The developed platform overcomes key technical barriers for NHP optogenetics and electrophysiology.
- Facilitates large-scale, multi-modal studies crucial for understanding neurological and neuropsychiatric disorders.
- Offers a stable and functional system for long-term research in translational neuroscience.
