'This interface could revolutionize the way we interact with technology.'
There have been former attempts at using neural implants to restore limb function, but these mostly failed. This is because scar tissue can envelop the electrodes over time, disrupting the connection between the device and the nerve."If someone has an arm or a leg amputated, for example, all the signals in the nervous system are still there, even though the physical limb is gone,” said Dr.
In this case, they sandwiched a layer of muscle cells that were reprogrammed from stem cells between the electrodes and the living tissue. This led to device integration with the host's body, preventing the formation of scar tissue. For the time time, the cells survived on the electrode for 28 days - the duration of the experiment.
"These cells give us an enormous degree of control," said Barone. "We can tell them how to behave and check on them throughout the experiment. By putting cells in between the electronics and the living body, the body doesn’t see the electrodes; it just sees the cells, so scar tissue isn’t generated."was implanted into the paralyzed forearm of the rats. Before implantation, these stem cells had already been transformed into muscle cells.
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