不再沉默：脑机接口让失语者重获声音

Experimental technologies are transforming the lives of people who can no longer speak On paper, my interview with Casey Harrell looks like any other. I ask the questions, he answers them. He tells me about his background as a climate activist, his Southern roots and his daughter, who as a preschooler loved to dress up like a cheetah and roar around the house. “My daughter was incredibly cute in her cheetah outfit,” Harrell says. The transcript tells the story of our conversation. But between the lines is an entirely different story — the story of where Harrell’s words come from. Harrell started losing his ability to speak in his early 40s, nearly six years ago. …