Kandu published the first randomized controlled trial of an FDA-cleared, non-invasive brain-computer interface for chronic stroke in the journal Stroke. The IpsiHand system reads motor intent from the unaffected side of the brain and drives a robotic hand exoskeleton, used at home for an hour a day. Patients using it achieved significantly greater upper-limb recovery than those doing a home exercise program, with more than half reaching a clinically meaningful response against under 10% in the control group. The data challenge the view that recovery plateaus after the first few months.