Tech that can read our minds takes a step closer

Researchers in the US have for the first time constructed intelligible synthetic speech using the computer processing of human brain activity, in a significant step towards creating technology that can read people’s thoughts. Madhumita Murgia talks to our science editor Clive Cookson about how they did this.

Contributors: Katie Martin, capital markets editor, Madhumita Murgia, European technology correspondent and Clive Cookson, science editor. Producer: Fiona Symon