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Related Experiment Video

Updated: May 20, 2026

Multi-Fiber Photometry to Record Neural Activity in Freely-Moving Animals
05:52

Multi-Fiber Photometry to Record Neural Activity in Freely-Moving Animals

Published on: October 20, 2019

A Dual-Color Fiber Photometry Method for Recording Astrocyte-Neuron Activity Across Multiple Brain Regions During

Jihua Fan1, Fengjuan Wu2, Haoyu Wang2

  • 1Guangxi Key Laboratory of Special Biomedicine/Advanced Institute for Brain and Intelligence, School of Medicine, Guangxi University; Brain Research Center and State Key Laboratory of Trauma and Chemical Poisoning, Third Military Medical University.

Journal of Visualized Experiments : Jove
|May 18, 2026
PubMed
Summary

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Researchers developed a new method to simultaneously monitor astrocyte and neuron activity in multiple brain regions during memory tasks. This advance helps study how these cells interact to form memories and understand cognitive disorders.

Area of Science:

  • Neuroscience
  • Cell Biology
  • Cognitive Science

Background:

  • Astrocytes play a key role in modulating neuronal activity, essential for learning and memory.
  • Understanding astrocyte-neuron interactions is vital for memory research and cognitive disorder studies.
  • Simultaneous multi-region monitoring of both cell types during behavior is technically challenging.

Purpose of the Study:

  • To present a novel method for concurrent calcium signal recording from astrocytes and neurons across multiple brain regions.
  • To enable real-time investigation of astrocyte-neuron communication during memory-related behaviors.

Main Methods:

  • Utilized cell-type-specific dual-color genetically encoded calcium indicators (GECIs).
  • Employed a multi-channel fiber photometry system for simultaneous recordings.

Related Experiment Videos

Last Updated: May 20, 2026

Multi-Fiber Photometry to Record Neural Activity in Freely-Moving Animals
05:52

Multi-Fiber Photometry to Record Neural Activity in Freely-Moving Animals

Published on: October 20, 2019

  • Integrated synchronized behavioral tracking for correlation analysis.
  • Focused on medial prefrontal cortex (mPFC), hippocampal CA1, and medial entorhinal cortex (MEC).

    • Main Results:

    • Demonstrated coordinated calcium dynamics between astrocytes and neurons across different brain regions.
    • Successfully monitored neuronal and astrocytic activity in real-time during an object recognition task.
    • Showcased the method's capability to capture inter-regional and inter-cellular communication patterns.

    Conclusions:

    • The presented method offers a reproducible and efficient framework for studying astrocyte-neuron interactions.
    • This technique facilitates deeper understanding of the neural basis of learning and memory.
    • Opens new avenues for investigating the role of astrocytes in cognitive functions and disorders.