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Implanted Wireless Device Triggers Mice to Form Instant Bond

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Northwestern University researchers are building social bonds with beams of light.
Optogenetics uses light to activate specific neurons in the brain. Previous optogenetics studies used fiberoptic wires, making it difficult to study groups of animals without them becoming entangled. 
Researchers can now wirelessly control a fully implantable system that allows mice to behave naturally

For the first time ever, Northwestern engineers and neurobiologists have wirelessly programmed — and then deprogrammed — mice to socially interact with one another in real time. The advancement is thanks to a first-of-its-kind ultraminiature, wireless, battery-free and fully implantable device that uses light to activate neurons.

Developing a device small and thin enough to become imperceptible beneath the skin of a tiny mouse presented a major engineering challenge
Credit: Northwestern University
This study is the first optogenetics (a method for controlling neurons with light) paper exploring social interactions within groups of animals, which was previously impossible with current technologies.

The research was published today (May 10) in the journal Nature Neuroscience.

Contacts and sources:
Amanda Morris
Northwestern University

 


Source: http://www.ineffableisland.com/2021/05/implanted-wireless-device-triggers-mice.html


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