In a novel experiment, two stroke survivors regained movement of their partially paralyzed hand and arm thanks to an implant that sends electric pulses to the spinal cord.
WASHINGTON — A stroke left Heather Rendulic with little use of her left hand and arm, putting certain everyday tasks like tying shoes or cutting foods out of reach.
It’s not a cure — the improvements ended after scientists removed the temporary implant — and the pilot study included only Rendulic and one other stroke survivor. But the preliminary results, published Monday, mark a step toward one day restoring mobility for this extremely common type of paralysis.
shows promise for restoring leg and foot movement to people paralyzed after a spinal cord injury — some have even taken steps. His idea: Stimulate a pathway of related nerve cells so they’re better able to sense and pick up the brain’s weak signal. Rendulic and a second, more severely impaired volunteer could move better as soon as the stimulator was switched on — and by the study’s end showed improved muscle strength, dexterity and range of motion, researchers reported Monday in the journal Nature Medicine. Surprisingly, both participants retained some improvement for about a month after the implants were removed.
Two other researchers who helped pioneer experiments stimulating the lower limbs of people with spinal cord injuries say it’s logical to now try the technology for stroke.
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In test, zaps to spine help 2 stroke survivors move armsWASHINGTON (AP) — A stroke left Heather Rendulic with little use of her left hand and arm, putting certain everyday tasks like tying shoes or cutting foods out of reach. “I live one-handed in a two-handed world and you don’t realize how many things you need two hands for until you only have one good one,” the Pittsburgh woman told The Associated Press.
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