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Updated: Jul 3, 2026
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Functional Neuroimaging Using Ultrasonic Blood-brain Barrier Disruption and Manganese-enhanced MRI
Published on: July 12, 2012
Brain maps on the go: functional imaging during motor challenge in animals
D P Holschneider1, J-M I Maarek
1Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, 1333 San Pablo Street, BMT 403, MC 9112, Los Angeles, CA 90033, USA. holschne@usc.edu
Methods (San Diego, Calif.)
|June 17, 2008
Summary
Functional brain mapping in freely moving animals reveals motor circuit activity. Autoradiography and 3D reconstruction analyze locomotion, aiding understanding of normal and pathological motor function.
Area of Science:
- Neuroscience
- Functional Brain Imaging
- Motor System Research
Background:
- Studying brain function in freely moving animals avoids confounds of sedation or restraint.
- Activated brain states can highlight functional differences not apparent in resting states.
- Autoradiography offers high spatial and temporal resolution for brain circuit analysis.
Purpose of the Study:
- To summarize methods for functional brain mapping of locomotion in small animals.
- To detail techniques for 3D brain reconstruction and voxel-based analysis.
- To explore the application of these methods in understanding motor circuits.
Main Methods:
- Perfusion or metabolic mapping using autoradiography.
- Three-dimensional reconstruction of brain sections.
- Voxel-based whole-brain analysis and flattened cortex mapping.
Main Results:
- Demonstrated application of autoradiography for functional brain mapping of locomotion.
- Developed methods for 3D reconstruction and advanced data analysis.
- Generated maps of the flattened rat cortex for detailed circuit visualization.
Conclusions:
- Functional brain mapping in freely moving animals is crucial for motor circuit research.
- These methods enhance understanding of normal motor function and neuropathology.
- Potential utility in studying the effects of interventions like exercise on motor circuit reorganization.
