New device allows for wireless testing of mouse brains
A new device may help improve the study of animals' neural networks, especially in relation to diseases.
Researchers have developed an implant that can release a drug into the brain of a mouse while also having the ability to emit light as an additional stimulus.
See more of the experiment here:
The device is tiny and ultralight so it can be worn on the head without interfering with normal behavior and contains a soft, flexible probe through which one of up to four stored substances can be injected.
According to one of the researchers, the insert "is soft like brain tissue and can remain in the brain and function for a long time without causing inflammation or neural damage."
Tiny batteries and infrared technology also allow the mouse to move without being tethered and to be tested via remote control.
During the trial phase, the team was able to successfully release a drug similar to morphine into the motivation part of the brain which resulted in the mice moving in a circular pattern.
They were also able to control the rodents' behavior by stimulating neurons that were made to be sensitive to light.
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