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вЂњThe original headset was designed using traditional computer-aided design,вЂќ says Craig Whittet, head of product-design engineering at the Glasgow School of Art and Petric-GrayвЂ™s PhD co-supervisor. Ultimately, Petric-Gray decided to develop her own headsets, using the generative-design capabilities within Autodesk Fusion 360. This is essential to recording a good EEG signal-having a good contact between the electrodes and the head.вЂќ The headset didnвЂ™t fit different usersвЂ™ heads in a consistent way. вЂњIt didnвЂ™t cover key areas of the brain that we were interested in focusing on. вЂњThat headset was designed for gaming,вЂќ Petric-Gray says.

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VuckovicвЂ™s lab had tested BCI using a commercially marketed portable headset from Emotiv. We can certainly help people become more independent and functional.вЂќДr.

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вЂњWe might expect better outcomes with stroke patients, as typically they have more preserved control of their hands, plus their injury is in the brain, so we directly target it with BCI. вЂњWeвЂ™re happy if they can get back reach, flex, and extension-basically the dexterity to grab something,вЂќ Dr. Spinal cordвЂ“injured patients with incomplete loss of hand function make prime candidates for BCI/FES. The stimulator sends a signal to the hand muscles, and you get movement.вЂќ You think of moving your hand, and the computer detects your intention and activates a stimulator. вЂњWhen you think about moving, you produce changes in brain activity similar to those that are produced when you actually move.

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вЂњYou can measure brain activity, show it graphically on the screen, and teach people how to self-regulate their brain activity,вЂќ Dr. With a BCI, some eventually may recover the ability to use their hands. Some patients have even trained themselves to move again unaided-after months or years of technological therapy. For at least a decade, rehabilitation specialists have been able to restore some limb mobility by rerouting the signals through neuroelectronic gadgetry that uses brain signals to stimulate the muscles. Victims of spinal-cord injuries or strokes often experience paralysis-partial or complete loss of the use of their limbs-because the brain can no longer deliver instructions to the arms or legs. When they leave hospital, about one-third canвЂ™t properly move or use their arms and would benefit from further rehabilitation at home.вЂќ вЂњAbout 1.2 million people a year in the UK experience a stroke. вЂњIn Britain, there are 50,000 cases, some with complete paralysis and others with partial loss of movement,вЂќ Dr. How the Brain-Computer Interface Headset Is Used to Treat Loss of Movement Aleksandra Vuckovic, senior lecturer in rehabilitation engineering at the University of Glasgow, who has been working on BCIs for 15 years. Her masterвЂ™s degree is in product design engineering, a program managed jointly by the Glasgow School of ArtвЂ™s School of Design and the University of Glasgow James Watt School of University of Glasgow James Watt School of Engineering. Petric-Gray has researched spinal-cord injury and stroke rehabilitation extensively. Petric-Gray has taken on that challenge, designing a portable BCI headset for home use. вЂњPatients have to arrange appointments with trained professionals.вЂќД«ut what if getting a reliable EEG (electroencephalography) signal could be simpler so that the patient (or a minimally trained caregiver) could manage it at home? That would put rehabilitation of limb after stroke or spinal-cord injury within reach of many more patients, at a drastically lower cost. HereвЂ™s the problem, though: вЂњBCI/FES therapy involves a lot of complex equipment and takes a while to set up,вЂќ says Nina Petric-Gray, a PhD candidate in biomedical engineering at the University of Glasgow, Scotland. Current BCI/FES Treatment Involves Complex Equipment and Appointments However, itвЂ™s happening by way of a brain-computer interface ( BCI) with functional electrical stimulation ( FES) of the muscles. Watching patients with limb paralysis grasp with their affected hands by the power of their thoughts veers into magic territory. вЂњAny sufficiently advanced technology is indistinguishable from magic,вЂќ the late science-fiction visionary Arthur C.

EEG headsets allow patients to get treatment for spinal-cord injuries, strokes, epilepsy, and more from home.

A PhD candidate at the University of Glasgow, Scotland, is preparing a brain-computer interface headset for home use.

Treatment for patients with limb paralysis currently involves appointments with trained professionals and high costs.

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