“We have fallen into habits that are steadily deskilling the human body,” writes Melanie Challenger. “This is a strange turn of events for an animal whose success comes mostly from the extraordinary ability to learn through experience.” For Aeon, Challenger explores how modern technologies, from GPS to AI, are eroding our body’s physical skills by replacing the embodied experiences through which we learn.

After all, the brain is itself a physical organ, continually shaped by what the body does and encounters. Once we decide that the mind is the real human and the rest of the body only hardware, it becomes easier to disregard the physical work, including the neurocognitive work of a biological brain, through which we move, find our way, put thoughts into words, and recognise our own needs. A machine may do some of that work faster, but each act it takes over is one that the body no longer performs and that the body, including the brain, no longer learns through. The irony is that a project motivated by the desire to overcome bodily fragility is helping to produce more fragile bodies.