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Can a brain-controlled computer game help stroke survivors recover upper-limb movement?

A new UK study is investigating whether a brain-controlled computer game can help stroke survivors recover movement in their more-affected upper limb.
Participants will wear a wireless headset that records brain activity as they imagine moving their affected arm, with those signals used to control a computer game.
The research, led by Queen’s University Belfast (QUB), is recruiting around 50 people who have had a stroke. It aims to harness neuroplasticity – the brain’s ability to reorganise and allow other regions to take over lost functions.
Many stroke survivors find everyday tasks such as dressing, cooking or writing extremely difficult. Different types of rehabilitation, including game-based approaches, can offer support.
Dr Kathy Ruddy, a neuroscientist leading the research, said: “The brain signals are picked up and used to control a computer game.
“This form of ‘motor imagery’ activates the same brain areas as real movement and it may help keep these body parts healthy and active after a stroke, even when actual movement isn’t yet possible.”
The team at QUB said the research is giving hope to people whose movement or speech remains affected after stroke.

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