Mental strain and a tired brain

Written on 18-11-2023

Many of us have felt a sense of mental exhaustion after working hard on a difficult task. A new study suggests that might be because when people work on cognitively challenging tasks, their brains express more glutamate than when doing easier work. An excess of glutamate can disrupt brain function, so the brain requires rest to get back to normal levels of this molecule.

More about this here, on Nature.com