That’s until someone asks me the name of a stranger I met six or seven seconds before, and my mind goes blank. However, rather than being a marker of a blank mind, this signal is a cognitive marker of the effort required to suppress thoughts. The brains of individuals who reported blank minds showed a distinct signal, a pattern involving a momentary synchronization of brain networks. Mind blanking and ADHDIn certain cases, mind blanking can even be a feature of clinical conditions. The ultimate question for Demertzi is why mind blanking happens in the first place.