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Stroke Recovery Boost The IpsiHand home system, which reads brain electrical signals, improved hand movement after stroke more than exercises. On August 13, a randomized BCI-REHAB study was published, with a primary analysis of 62 people with chronic hand movement impairment after stroke. It compared the IpsiHand home neurointerface with exercises. The system converts an attempt to move the affected hand into finger movement; the control group trained their hand on the same schedule. For some people after stroke, attempting to move their hand no longer leads to wrist movement. IpsiHand builds rehabilitation around this attempt: EEG - recording electrical brain activity from the surface of the head - captures a signal pattern in the unaffected hemisphere associated with imagined movement of the affected hand. When the system recognizes it, a device attached to the wrist opens and closes the fingers in a three-finger grip. Early research showed that such a signal can be used to control wrist movement. The BCI-REHAB study checked if this connection improves rehabilitation more than the same amount of home exercises. Before distribution, each participant's EEG signal was checked to see if it was sufficient to control the device. The primary analysis included 37 people with IpsiHand and 25 with a hand, wrist, elbow, and shoulder movement program, including household tasks: opening a drawer or lifting a cup. 🔗 Read original →