It’s barely been two years since OpenAI’s ChatGPT was released for public use, inviting anyone on the internet to collaborate with an artificial mind on anything from poetry to school assignments to letters to their landlord.

Today, the famous large language model (LLM) is just one of several leading programs that appear convincingly human in their responses to basic queries.

That uncanny resemblance may extend further than intended, with researchers from Israel now finding LLMs suffer a form of cognitive decline that increases with age just as we do.