Thinking Of Nothing Is Hard

Researchers have discovered why it’s so hard to stop thinking about something: “’to stop a thought, the brain uses inhibitory neurons to prevent excitatory neurons from passing information from one to another.’ In effect, halting a thought is akin to ‘stopping a truck on a downhill slope.’ As any space cadet could tell you, it takes ample energy to clear your head as well as fill it.” Or, you know, alcohol!