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Wide-field imaging in behaving mice as a tool to study cognitive function.

Ariel Gilad1

  • 1Hebrew University of Jerusalem, Institute for Medical Research Israel-Canada, Department of Medical Neurobiology, Faculty of Medicine, Jerusalem, Israel.

Neurophotonics
|February 22, 2024
PubMed
Summary

Wide-field imaging allows simultaneous recording of brain-wide neuronal activity in mice during cognitive tasks. This cost-effective method reveals cortex-wide patterns crucial for understanding cognitive functions.

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Systems Neuroscience

Background:

  • Cognitive functions rely on coordinated neuronal activity across multiple brain regions.
  • Simultaneous recording of widespread brain activity is essential for understanding cognitive processes.
  • Mesoscopic imaging provides a broader view of neural dynamics than traditional methods.

Purpose of the Study:

  • To review the advantages and applications of wide-field imaging in mice for studying cognitive functions.
  • To highlight the importance of cortex-wide dynamics in cognitive processing.
  • To discuss future directions for wide-field imaging in neuroscience research.

Main Methods:

  • Utilizing wide-field imaging to capture cortex-wide neuronal activity in behaving mice.
Keywords:
behaving micecognitioncortical patternsmesoscale dynamicswide-field imagingworking memory

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  • Analyzing mesoscopic signals to understand neural dynamics during cognitive tasks.
  • Reviewing recent literature on wide-field imaging studies in neuroscience.

    • Main Results:

    • Wide-field imaging is a cost-effective and user-friendly technique for obtaining cortex-wide signals.
    • Multi-area cortex-wide patterns, not just single areas, are involved in encoding cognitive functions.
    • This method enables unbiased observation of overlooked cortical regions and parallel processing circuits.

    Conclusions:

    • Wide-field imaging offers unique insights into the mesoscale dynamics of cognitive functions.
    • The technique facilitates the study of layer-specific, inhibitory, or neuromodulation signals.
    • Wide-field imaging in behaving mice is expected to increase in popularity for understanding cognitive neuroscience.