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Related Experiment Video

Updated: Apr 15, 2026

Two Different Real-Time Place Preference Paradigms Using Optogenetics within the Ventral Tegmental Area of the Mouse

Two Different Real-Time Place Preference Paradigms Using Optogenetics within the Ventral Tegmental Area of the Mouse

Published on: February 12, 2020

Closed-loop and activity-guided optogenetic control.

Logan Grosenick¹, James H Marshel², Karl Deisseroth³

¹Department of Bioengineering, Stanford University, Stanford, CA 94305 USA; CNC Program, Stanford University, Stanford, CA 94305 USA; Neurosciences Program, Stanford University, Stanford, CA 94305 USA.

|April 10, 2015

Summary

This summary is machine-generated.

Closed-loop optogenetics enables real-time control of neural circuits by linking optical stimulation to observed neural activity. This approach is crucial for testing causal models of brain function in vivo.

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Last Updated: Apr 15, 2026

Two Different Real-Time Place Preference Paradigms Using Optogenetics within the Ventral Tegmental Area of the Mouse

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Published on: February 12, 2020

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Area of Science:

Neuroscience
Optical Engineering
Systems Biology

Background:

Optical manipulation and observation techniques have advanced significantly.
Closed-loop optogenetics allows for activity-guided control of neural circuits.

Purpose of the Study:

To review the technical and theoretical foundations of closed-loop optogenetics.
To highlight recent advances and opportunities in activity-guided neural control.
To discuss limitations and caveats of optogenetic experimentation.

Main Methods:

Review of existing literature on optical manipulation and neural activity observation.
Analysis of closed-loop optogenetic strategies for neural circuit investigation.
Discussion of in vivo experimental challenges and solutions.

Main Results:

Closed-loop optogenetics provides a powerful strategy for causal investigation of neural circuitry.
Real-time feedback of circuit interventions on physiological timescales aids in model validation.
Technical and theoretical advancements facilitate widespread implementation.

Conclusions:

Closed-loop optogenetics is essential for testing neural circuit models in vivo.
Addressing limitations is key to advancing activity-guided neural control.
Future opportunities lie in refining techniques for behaving animals.