The flower-shaped device can fit through a tiny hole in the skull and then delicately unfold.
and may cause uncontrollable shaking, sudden stiffness, collapsing, and other symptoms.
While microelectrode arrays were first invented decades ago, the use of these arrays for deep brain stimulation in epilepsy. Even so, current devices often have certain trade offs, be it electrode resolution, cortical surface coverage, or even aesthetics, the authors write in their paper. The researchers created a superthin flower-shaped device that can be folded small enough to fit a 2 centimeter hole in the skull, where it can rest in between the skull and the surface of the brain—a tiny, delicate area that only measures around a millimeter in width. Once deployed, the flexible electrode releases each of its six spiraled arms one by one to extend across a region of the brain around 4 centimeters in diameter.
The device, however, isn’t exactly ready for human brains yet—the team has only tested it in a mini-pig—but will continue to be developed by a spinoff of EPFL Laboratory for Soft Bioelectronic Interfaces called Neurosoft Bioelectronics. “Minimally invasive neurotechnologies are essential approaches to offer efficient, patient-tailored therapies,” Lacour said in the EPFL statement.
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