What causes our brain to get “tired” and lose focus when thinking hard for extended periods of time like studying or thinking through a difficult concept?

Question

What causes our brain to get “tired” and lose focus when thinking hard for extended periods of time like studying or thinking through a difficult concept?

In: 120

Answer 1

The brain uses a large amount of energy to operate. Everything in your body can get tired. Your digestive system. Your muscles, your ligaments, your eyes. If you use your brain it also will lower in performance throughout the day.