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Behavioral validation of a wireless low-power neurostimulation technology in a conditioned place preference task
Lisa Y Maeng1, Maria F Murillo1, Michelle Mu1
1Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02129, United States of America.
Journal of Neural Engineering
|January 9, 2019
Summary
A novel wireless neurostimulator, the e-Particle (EP), successfully modified rat behavior comparable to wired methods. This wireless brain stimulation technology overcomes movement limitations for future research and clinical applications.
Area of Science:
- Neuroscience
- Biomedical Engineering
Background:
- Neurostimulation is crucial for understanding neural circuits and neurological disorders.
- Current wired neurostimulation methods limit animal movement and research scope.
Purpose of the Study:
- To evaluate the efficacy of the novel wireless e-Particle (EP) neurostimulator.
- To determine if the EP can modify behavior without movement constraints.
Main Methods:
- Rats were implanted with the EP or a wired electrode for brain stimulation.
- Behavioral changes were assessed using a conditioned place preference (CPP) task.
- Neuronal activation was confirmed by measuring c-fos expression.
Main Results:
- Wireless EP stimulation produced comparable preference behavior to wired electrodes in the CPP task.
- EP stimulation successfully induced neuronal activation in target brain regions.
- The EP demonstrated effectiveness in a validated behavioral model.
Conclusions:
- The e-Particle (EP) offers a wireless solution for neurostimulation, overcoming limitations of wired systems.
- This technology can advance the study of brain stimulation methods in animal models.
- The EP holds potential for future human clinical applications in neurological and psychiatric treatments.
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