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ALS is a progressive neurodegenerative disease that affects nerve cells in the brain and spinal cord
Study author Bruce Campbell, MD, MPhil, MD, University of Melbourne, Australia, and member of the American Academy of Neurology, said: "People with ALS eventually lose the ability to move their limbs, leaving them unable to operate devices such as cell phones or computers
For the study, four ALS patients underwent surgery to implant the device into their brains
The researchers monitored the participants for a year and found the device to be safe
The researchers also examined whether the participants could use the brain-computer interface to perform everyday digital tasks
The researchers also reported that a decoder developed during the study allowed a study participant to independently control the computer without an eye tracker
"Our study is fairly new, but it holds great promise for paralyzed patients who want to maintain some degree of independence," Campbell said.
A limitation of this study is the small size of the study
The research was supported by Synchrony, the manufacturer of the device, the US Defense Advanced Research Projects Agency, the Office of Naval Research, the Australian National Health and Medical Research Council, the Australian Federal Government Foundation and the Australian Institute of Motor Neurone Disease
