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January 3, 2019 01:30 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/ulqxokAcxyI/wireless-pacemaker-for-the-brain-could-offer-new-treatment-for-neurological-disorders
Wireless 'Pacemaker For the Brain' Could Offer New Treatment For Neurological Disorders
Engineers at the University of California, Berkeley, have developed a new neurostimulator that can listen to and stimulate electric current in the brain at the same time, potentially delivering fine-tuned treatments for patients with diseases like epilepsy and Parkinson's. Science Daily reports: The device, named the WAND, works like a "pacemaker for the brain," monitoring the brain's electrical activity and delivering electrical stimulation if it detects something amiss. These devices can be extremely effective at preventing debilitating tremors or seizures in patients with a variety of neurological conditions. But the electrical signatures that precede a seizure or tremor can be extremely subtle, and the frequency and strength of electrical stimulation required to prevent them is equally touchy. It can take years of small adjustments by doctors before the devices provide optimal treatment. WAND, which stands for wireless artifact-free neuromodulation device, is both wireless and autonomous, meaning that once it learns to recognize the signs of tremor or seizure, it can adjust the stimulation parameters on its own to prevent the unwanted movements. And because it is closed-loop -- meaning it can stimulate and record simultaneously -- it can adjust these parameters in real-time. WAND can record electrical activity over 128 channels, or from 128 points in the brain, compared to eight channels in other closed-loop systems. To demonstrate the device, the team used WAND to recognize and delay specific arm movements in rhesus macaques. The device is described in a study that appeared in Nature Biomedical Engineering.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/ulqxokAcxyI/wireless-pacemaker-for-the-brain-could-offer-new-treatment-for-neurological-disorders
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