Marvin Andujar, director of the Neuro-Machine Interaction Lab at the University of South Florida, explains how student Tyree Lewis is able to brain-paint through emerging brain-computer interface (BCI) technology. Alamy Stock Photo
Philip Seargeant
Bloomsbury
After linguist Philip Seargeant鈥檚 grandmother suffered a stroke, her thoughts remained trapped in her body. Although she had no cognitive damage, her paralysed muscles didn鈥檛 allow her to speak or write. To communicate, she would point to letters printed on one side of a tattered communication board to spell words,…
