Related Experiment Video
Updated: Feb 21, 2026

10:56
Long-term Behavioral Tracking of Freely Swimming Weakly Electric Fish
Published on: March 6, 2014
13.1K
NeuBtracker-imaging neurobehavioral dynamics in freely behaving fish
Panagiotis Symvoulidis1,2,3, Antonella Lauri1,2,3, Anca Stefanoiu4
1Institute of Biological and Medical Imaging, Helmholtz Zentrum München, Munich, Germany.
Nature Methods
|October 3, 2017
Summary
Researchers developed NeuBtracker, a novel microscope system, to simultaneously observe brain activity and behavior in swimming fish. This tool aids in screening drugs and understanding neural patterns during natural behaviors.
Area of Science:
- Neuroscience
- Neuroimaging
- Animal Behavior
Background:
- Imaging neuronal activity in freely moving animals is a key challenge in neuroscience.
- Existing methods often limit simultaneous observation of neural dynamics and complex behaviors.
Purpose of the Study:
- Introduce NeuBtracker, a novel tracking microscope for simultaneous imaging of neuronal activity and behavior.
- Demonstrate its utility in screening neurostimulants and analyzing neural activation patterns.
Main Methods:
- Developed a tracking microscope system (NeuBtracker).
- Utilized fluorescent reporter fish for simultaneous imaging.
- Recorded neuronal activity and behavioral data concurrently.
Main Results:
- Successfully imaged distributed neuronal activity and behavior in freely swimming fish.
- Showcased NeuBtracker's capability for neurostimulant screening.
- Enabled determination of spontaneous and stimulus-induced spatiotemporal patterns of neuronal activation.
Conclusions:
- NeuBtracker provides a powerful platform for in vivo neuroscience research.
- Facilitates the study of neural circuits underlying naturalistic behaviors.
- Offers new avenues for drug discovery and understanding brain function.

