A brain-computer interface has enabled two people with paralysis to type using their minds by decoding attempted finger movements. The technology records brain signals and translates them into commands on a computer, a breakthrough in communication and device control for paralyzed patients. Similar brain-computer interfaces have been developed by researchers at Brown University, who have created a system with 97% accuracy in translating brain signals into speech.[1] These devices use sensors implanted directly in the brain to record electrical signals. Research shows that patients learn to use these interfaces effectively within minutes of activating them.[1] The technology offers hope for people suffering from paralysis caused by various diseases, including amyotrophic lateral sclerosis (ALS). The development of non-invasive versions that do not require surgical implantation offers further potential for wider clinical use.[4]