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Related Experiment Video

Updated: Sep 7, 2025

Evaluation and Manipulation of Neural Activity Using Two-Photon Holographic Microscopy

Evaluation and Manipulation of Neural Activity Using Two-Photon Holographic Microscopy

Published on: September 16, 2022

Advances in computer-generated holography for targeted neuronal modulation.

M Hossein Eybposh^1,2, Vincent R Curtis^1,3, Jose Rodríguez-Romaguera^3,4,5,6

¹University of North Carolina at Chapel Hill, Department of Applied Physical Sciences, Chapel Hill, North Carolina, United States.

|June 20, 2022

Summary

This summary is machine-generated.

Advanced optical instruments using computer-generated holography (CGH) precisely target and modulate neural activity. These light sculpting techniques enable detailed interrogation of neural circuits for neuroscience research.

Keywords:

calcium imaging computer-generated holography neural modulation optogenetics photostimulation sculpted light

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Last Updated: Sep 7, 2025

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Published on: September 16, 2022

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A Method for High Fidelity Optogenetic Control of Individual Pyramidal Neurons In vivo

A Method for High Fidelity Optogenetic Control of Individual Pyramidal Neurons In vivo

Published on: September 2, 2013

Area of Science:

Neuroscience
Optical Engineering
Biotechnology

Background:

Genetically encoded calcium indicators and optogenetics allow precise monitoring and control of neural activity.
Advanced optical instruments are crucial for leveraging these techniques to their full potential.
Light sculpting offers precise targeting of neuronal ensembles.

Purpose of the Study:

To review recent advancements in fast and spatiotemporally precise computer-generated holography (CGH) techniques.
To highlight the application of 3D light sculpting for optical interrogation of neural circuits.
To emphasize the importance of CGH in neuroscience research.

Main Methods:

Utilizing computer-generated holography (CGH) with light modulators to shape laser beams.
Synthesizing custom three-dimensional (3D) illumination patterns.
Precisely targeting and modulating neural ensembles at high temporal rates.

Main Results:

CGH enables precise spatial and temporal control over light delivery to neurons.
Modern light sculpting techniques can simultaneously target multiple neurons.
These methods allow modulation of large neuronal ensembles at biologically relevant rates.

Conclusions:

Fast and spatiotemporally precise CGH techniques are vital for advancing neuroscience.
3D light sculpting with CGH allows for sophisticated optical interrogation of neural circuit functions.
Continued development of CGH will enhance the study of neural dynamics.