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Updated: Jun 20, 2026
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Multichannel Extracellular Recording in Freely Moving Mice
Published on: May 26, 2023
Electrophysiological recordings from behaving animals--going beyond spikes
Edith Chorev1, Jérôme Epsztein, Arthur R Houweling
1Bernstein Center for Computational Neuroscience Berlin, Humboldt University, 10115 Berlin, Philippstr. 13 Haus 6, Germany.
Current Opinion in Neurobiology
|September 9, 2009
Summary
Electrophysiology in behaving animals has advanced with improved extracellular, juxtacellular, and intracellular recording techniques. These methods offer greater neuronal insight beyond simple spike counting.
Area of Science:
- Neuroscience
- Behavioral Neuroscience
- Electrophysiology
Background:
- Current understanding of neural control of behavior relies heavily on electrophysiology.
- Electrophysiological recording techniques are crucial for studying brain function in behaving animals.
Purpose of the Study:
- To review advances and limitations in electrophysiological recording techniques for behaving animals.
- To highlight the diversification and progress in electrophysiological methods.
Main Methods:
- Review of extracellular recording advancements (sampling density, miniaturization).
- Analysis of juxtacellular recording benefits (neuron identification, stimulation).
- Examination of intracellular recording progress (long-duration recordings in freely moving animals).
Main Results:
- Extracellular recordings show improved density and miniaturization.
- Juxtacellular recordings facilitate neuron identification and stimulation.
- Intracellular recordings are now feasible for extended durations in mobile animals.
Conclusions:
- Electrophysiological methods have significantly diversified.
- The field has evolved beyond basic spike counting, enabling more sophisticated neural analysis.
