EditorialNewton Howard, a cognitive scientist and machine-learning expert who hopes to help solve degenerative diseases like Parkinson’s and Alzheimer’s, wears a device that he says will use artificial intelligence to optimize and adjust the levels of deep brain stimulation, at his home in the Georgetown neighborhood of Washington, D.C., April 26, 2023. (Zak Arctander/The New York Times)
EditorialNewton Howard, a cognitive scientist and machine-learning expert who hopes to help solve degenerative diseases like Parkinson’s and Alzheimer’s, wears a device that he says will use artificial intelligence to optimize and adjust the levels of deep brain stimulation, at his home in the Georgetown neighborhood of Washington, D.C., April 26, 2023. (Zak Arctander/The New York Times)
EditorialNewton Howard, a cognitive scientist and machine-learning expert who hopes to help solve degenerative diseases like Parkinson’s and Alzheimer’s, wears a device that he says will use artificial intelligence to optimize and adjust the levels of deep brain stimulation, at his home in the Georgetown neighborhood of Washington, D.C., April 26, 2023. (Zak Arctander/The New York Times)
EditorialHeather Rendulic, who had a stroke at age 23, disabling her left arm and hand and making tasks like tying shoes impossible, in Pittsburgh, Feb. 17, 2023. (Kristian Thacker/The New York Times)
EditorialBetty Dodson, the fine artist turned sex educator and evangelist for female self-stimulation, at her home in New York on Feb. 28, 2020. (Celeste Sloman/The New York Times)