![]() ![]() ![]() In two experiments, we developed an open-source, high-performance, non-invasive BCI speller and examined its feasibility for free communication. It is therefore not clear whether naïve users are able to achieve such high rates with the added cognitive load of genuine free communication, which involves continuously generating and spelling novel words and phrases. While impressive, these rates are typically calculated for experienced users repetitively typing single phrases. To date, the highest performing spellers report typing rates of ~10.00 words/minute. Brain-computer interface (BCI) spellers often achieve this by decoding patterns of neural activity as users attend to flickering keyboard displays. While manual keyboards currently allow us to interface with computers and manifest our thoughts, a next frontier is communication without manual input. Free communication is one of the cornerstones of modern civilisation. ![]()
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