Tuesday, November 18, 2008

Brain Implants May Help Stroke Patients Overcome Partial Paralysis

image of surgeons
ScienceDaily (Nov. 13, 2008) — Scientists have shown for the first time that neuroprosthetic brain implants may be able to help stroke patients with partial paralysis.

Researchers found that implants known as brain-computer interfaces (BCI) may be able to detect activity on one side of the brain that is linked to hand and arm movements on the same side of the body. They hope to use these signals to guide motorized assistance mechanisms that restore mobility in partially paralyzed limbs.

Partial paralysis on one side of the body results from stroke damage to the opposite side of the brain. This fits with the conventional model of how the brain controls movement, which says signals in one half of the brain control the opposite half of the body .

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