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Related Experiment Video

Updated: May 21, 2026

In vivo Neuronal Calcium Imaging in C. elegans
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In vivo Neuronal Calcium Imaging in C. elegans

Published on: April 10, 2013

Imaging neuronal activity with genetically encoded calcium indicators.

Lin Tian, S Andrew Hires, Loren L Looger

    Cold Spring Harbor Protocols
    |June 5, 2012
    PubMed
    Summary
    This summary is machine-generated.

    Genetically encoded calcium indicators (GECIs) enable noninvasive in vivo monitoring of neural activity. This review guides GECI selection by summarizing performance factors and recent advancements in their design and testing.

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    In vivo Neuronal Calcium Imaging in C. elegans
    11:06

    In vivo Neuronal Calcium Imaging in C. elegans

    Published on: April 10, 2013

    Functional Calcium Imaging in Developing Cortical Networks
    16:33

    Functional Calcium Imaging in Developing Cortical Networks

    Published on: October 22, 2011

    Successful In vivo Calcium Imaging with a Head-Mount Miniaturized Microscope in the Amygdala of Freely Behaving Mouse
    09:39

    Successful In vivo Calcium Imaging with a Head-Mount Miniaturized Microscope in the Amygdala of Freely Behaving Mouse

    Published on: August 26, 2020

    Area of Science:

    • Neuroscience
    • Molecular Biology
    • Biotechnology

    Background:

    • Genetically encoded calcium indicators (GECIs) are crucial tools for observing calcium dynamics in living systems.
    • These indicators, based on fluorescent proteins, allow for real-time monitoring of cellular activity.
    • Their DNA-encoded nature facilitates noninvasive delivery and targeted expression within the brain.

    Purpose of the Study:

    • To provide a comprehensive overview of factors influencing GECI performance.
    • To offer guidelines for selecting optimal GECIs for specific research applications.
    • To review recent developments in GECI engineering and evaluation.

    Main Methods:

    • Literature review of GECI technology and applications.
    • Analysis of intrinsic and extrinsic factors affecting GECI performance.
    • Summary of advancements in GECI design, optimization, and standardized testing.

    Main Results:

    • GECIs are increasingly valuable for in vivo neural imaging due to iterative improvements.
    • Understanding performance determinants is key to effective GECI utilization.
    • Standardized testing protocols are emerging for robust GECI evaluation.

    Conclusions:

    • GECIs offer powerful capabilities for long-term, repeated in vivo measurements of neural activity.
    • Informed GECI selection based on application needs and performance characteristics is essential.
    • Ongoing progress in GECI design and testing promises enhanced future applications in neuroscience.