(credit: Windell Oskay)
For a bunch of mind-controlled mice, walking into a magnetic field has never felt sooo good.
The imperceptible force that the genetically tweaked rodents wandered through fired up the reward-related circuits in their brains, likely conjuring the pure pleasure experienced when, for instance, they ate a yummy treat, researchers report Monday in Nature Neuroscience. Of course, this meant that the mice didn’t want to leave that happy magnetic field.
While getting mice to congregate in specific, magnetized areas may be useful for pest control, the experiment demonstrates a much more powerful point: that researchers can remotely control specific brain circuits in living animals with just magnets. The finding paves the way for magnetic mind control to help study the functions and malfunctions of the brain—plus the use of ‘magneto-genetic’ therapies to treat brain disorders, the authors report.
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